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The sole girl of the White in existence. A dancer who is able to make the sun shine and is called "Olympia". She began her search for a husband on her eighteenth birthday. She keeps a pet white mouse named Daifuku. Her default real name is "Byak... read more

The sole girl of the White in existence. A dancer who is able to make the sun shine and is called "Olympia". She began her search for a husband on her eighteenth birthday. She keeps a pet white mouse named Daifuku. Her default real name is "Byakuya" (白夜, lit. "White Night"). In "Catharsis" she leads busy days, serving as a director of the letter bureau she founded and as a lecturer at the women's school. Together with her soulmate, she thinks about the future of the island.

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Young director of the neutral organization Kotowari. He is calm, collected and never brings his own personal feelings into things, so he is called "Iron Mask", but he is good at taking care of people and helps the protagonist in all ways. He puts out the order to guard read more

Young director of the neutral organization Kotowari. He is calm, collected and never brings his own personal feelings into things, so he is called "Iron Mask", but he is good at taking care of people and helps the protagonist in all ways. He puts out the order to guard Olympia and urges on her search for a husband. In "Catharsis" he's concerned about the island's future and is pushing for changes, but many people oppose him.

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An Outsider who washed up on the shores of Tenguu Island. He was naturalised into the Green and is currently living with their leader. He still has memories of his former life, but he refuses to talk about his past. He keeps a pet white mouse named Pa... read more

An Outsider who washed up on the shores of Tenguu Island. He was naturalised into the Green and is currently living with their leader. He still has memories of his former life, but he refuses to talk about his past. He keeps a pet white mouse named Paris, who is Daifuku's younger brother. In "Catharsis" he has succeeded as the leader of the Green and spends his days busy as their representative, while also exploring his role as an Outsider.

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A boy known as the Undertaker. He has an extremely strong power of Batsu and silently transforms the souls of the people of Yomi into Shou every day. As he never talks about himself, few people know anything about him. His true identity is Hiruko. In "Catharsis" he is happy that the amount of fune... read more

A boy known as the Undertaker. He has an extremely strong power of Batsu and silently transforms the souls of the people of Yomi into Shou every day. As he never talks about himself, few people know anything about him. His true identity is Hiruko. In "Catharsis" he is happy that the amount of funeral work has decreased, and has also started selling bread. Through his business dealings, he deepens his relationships with the people and decides to find a way to contribute to the island.

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Deputy director of the neutral organisation Kotowari. He is a medical doctor focusing on immunological research, but somehow whenever he sees the protagonist, he can't help but tease her. He is a good reader of the atmosphere and is everybody's bi... read more

Deputy director of the neutral organisation Kotowari. He is a medical doctor focusing on immunological research, but somehow whenever he sees the protagonist, he can't help but tease her. He is a good reader of the atmosphere and is everybody's big brother figure who knows how to lighten up the mood, but he is secretly strongly opposed to the colour class system. He supports Akaza, both as a friend and as a colleague. In "Catharsis" he is the one who developed "Shirotae", a miracle cure for Haku disease. He is still undecided whether to become the leader of the Yellow.

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A soldier belonging to the Yomi patrol. His main duty is to guard and patrol the torii gate leading to Yomi. A superior user of Batsu, he is promised to be the next leader of the Blue, so he devotes himself every day to fulfill his role.

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Owner of the largest bathhouse in Yomi, the Shikinjou. He calls himself "Jigoku-dayuu" and is also a powerful figure who rules over Yomi. He entertains his customers with his special skill in fortune-telling and his signature medicinal baths. In "Catharsis" his engagement prompts him to rethink his... read more

Owner of the largest bathhouse in Yomi, the Shikinjou. He calls himself "Jigoku-dayuu" and is also a powerful figure who rules over Yomi. He entertains his customers with his special skill in fortune-telling and his signature medicinal baths. In "Catharsis" his engagement prompts him to rethink his own future and the future of Yomi.

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A military officer in charge of managing executions.

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A boy living in Yomi. After the time skip, he is studying hard to enroll in Jintoku Academy. He admires Kuroba and aspires to be a doctor like him. He was raised in the same orphanage as Hairi ... read more

A boy living in Yomi. After the time skip, he is studying hard to enroll in Jintoku Academy. He admires Kuroba and aspires to be a doctor like him. He was raised in the same orphanage as Hairi and thinks of him as a brother.

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A boy who makes a living by carrying corpses and luggage. He was once kept on the surface so that people could "appreciate" his ominous appearance. He dreams of escaping from the island.

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A maid working at the Shikinjou bathhouse. She is a human-like doll created by Tsukuyomi and is Yosuga's helper. She functions thanks to the clockwork mechanism, so when the spring runs out, she... read more

A maid working at the Shikinjou bathhouse. She is a human-like doll created by Tsukuyomi and is Yosuga's helper. She functions thanks to the clockwork mechanism, so when the spring runs out, she stops moving and speaking. She keeps a pet white mouse named Juliette, who is Daifuku's younger sister.

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A member of the White Mouse Clan serving Tsukuyomi. The eldest of the three mouse siblings, Paris' and Juliette's older brother. While he was... read more

A member of the White Mouse Clan serving Tsukuyomi. The eldest of the three mouse siblings, Paris' and Juliette's older brother. While he was wandering on the surface, he met his current owner, Olympia. He loves eating and is particularly fond of daifukumochi. His original name is "Romeo".

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An Outsider who washed up on the shores of Tenguu Island, the leader of the Yellow. He is the guardian who took in little Olympia, who was left without parents. The Yellow were granted the power to hear the voice of Hiruko and assist him. Only th... read more

An Outsider who washed up on the shores of Tenguu Island, the leader of the Yellow. He is the guardian who took in little Olympia, who was left without parents. The Yellow were granted the power to hear the voice of Hiruko and assist him. Only the leader of the Yellow is allowed to hear Hiruko's voice. He is Olympia's father. In "Catharsis" he is watching over the island's developments in order to pass on the leadership of the Yellow to the next generation.

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A boy living in Yomi. After the time skip, he now works as a clerk at the island’s letter bureau after handing over his tsujiura selling duties to younger children. He secretly agrees with Olympia and the others in t... read more

A boy living in Yomi. After the time skip, he now works as a clerk at the island’s letter bureau after handing over his tsujiura selling duties to younger children. He secretly agrees with Olympia and the others in their efforts to change the island and takes a cooperative stance.

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An Outsider who washed up on the shores of Tenguu Island, the leader of the Red. He is a hero who saved the people of the Red with his knowledge from another world, who were shunned because of their cursed blood. He is the only person who knew Tokisad... read more

An Outsider who washed up on the shores of Tenguu Island, the leader of the Red. He is a hero who saved the people of the Red with his knowledge from another world, who were shunned because of their cursed blood. He is the only person who knew Tokisada before. He is Akaza's father. In "Catharsis" he keeps a watchful eye over the island's developments in order to ensure that Akaza succeeds him as leader of the Red.

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A member of the White Mouse Clan serving Tsukuyomi. The youngest of the three mouse siblings, Daifuku's and Paris' younger sister. She and read more

A member of the White Mouse Clan serving Tsukuyomi. The youngest of the three mouse siblings, Daifuku's and Paris' younger sister. She and Camelia help Yousga with work at the Shikinjou bathhouse. She is a reliable person and worries about Daifuku, who is gaining weight.

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He was of the Yellow status, but he committed a crime and was banished as a criminal (Hazushi) to Yomi. He's Kanan's older twin brother, however he was adopted by a noble family of the Yellow because of his strong Yellow traits. He's currently ato... read more

He was of the Yellow status, but he committed a crime and was banished as a criminal (Hazushi) to Yomi. He's Kanan's older twin brother, however he was adopted by a noble family of the Yellow because of his strong Yellow traits. He's currently atoning for his crime as a labourer in the construction of the Ama No Mihashira. In "Catharsis" the construction of the Ama No Mihashira is completed, so he took a new job at the Shikinjou bathhouse, making use of his skilled hands.

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Young leader of the Orange. He is the general manager of the newspaper that supplies information to the whole island. He collects and writes it himself. He also manages the Ebisurou where he displays interesting driftwood and other flotsam. Kaina ... read more

Young leader of the Orange. He is the general manager of the newspaper that supplies information to the whole island. He collects and writes it himself. He also manages the Ebisurou where he displays interesting driftwood and other flotsam. Kaina is his older twin brother. In "Catharsis" he has a tattoo on his face because he served time in prison for defaming Tokisada. Even after his return, he continues to serve as the leader of the Orange, the manager of Ebisurou, and the general manager of the newspaper.

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A black mouse serving Nathanael. He can understand human language, as his roots can be traced back to the White Mouse Clan.

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The son of the leader of the Jade. He has been promised the position of the next leader. Because of his tall stature and handsome looks, he attracts the attention of the island's women. He is good friends with Kanan because of their similar status... read more

The son of the leader of the Jade. He has been promised the position of the next leader. Because of his tall stature and handsome looks, he attracts the attention of the island's women. He is good friends with Kanan because of their similar status and age. In "Catharsis" he developed a whitening powder to hide the marks left by Haku, which became popular among women. He is still on good terms with Kanan.

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A young man with white hair washed ashore on Tennyo Island. He has no memory, but remembers only his presumed real name, "Aki". Due to his appearance which is similar to those of the White, he came to be called "Nathanael".

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A member of the White Mouse Clan serving Tsukuyomi. The middle child of the three mouse siblings, Daifuku's younger brother and Juliette's ol... read more

A member of the White Mouse Clan serving Tsukuyomi. The middle child of the three mouse siblings, Daifuku's younger brother and Juliette's older brother. He has been serving Tokisada since he met him at the Shikinjou bathhouse. He has a calm personality, but can be strict with Daifuku.

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The director of the Tenshin Hospital, he's of the Violet status. Kuroba's mentor and former boss. He will stop at nothing to achieve his goals, but medical care is always on his mind. He is Shuraread more

The director of the Tenshin Hospital, he's of the Violet status. Kuroba's mentor and former boss. He will stop at nothing to achieve his goals, but medical care is always on his mind. He is Shura's blood-related brother, but he was adopted by the Violet family during his childhood because of his strong Violet traits.

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A woman of the Fuchsia who became the guardian of the orphaned Souju, due to the similarity in their colours. After Souju returned to Tenguu Island, she took him in to live in her holiday home, and they have been living together ever since. She s... read more

A woman of the Fuchsia who became the guardian of the orphaned Souju, due to the similarity in their colours. After Souju returned to Tenguu Island, she took him in to live in her holiday home, and they have been living together ever since. She seems to have given birth to a child in the past, but she doesn't talk much about it.

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The leader of the Blue and a pureblood who was born on Tenguu Island. She became the first woman to hold the position of a leader, replacing her late husband. She is beloved by the people of the Blue, but for some reason she is cold towards Olympiaread more

The leader of the Blue and a pureblood who was born on Tenguu Island. She became the first woman to hold the position of a leader, replacing her late husband. She is beloved by the people of the Blue, but for some reason she is cold towards Olympia. The Blue were granted the power to return souls to the heavens. In "Catharsis" she has built a school for women and is working to improve their rights. She keeps a close eye on the island's developments in order to ensure that the next generation inherits the position of a leader of the Blue.

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A boy of the Purple. Born through mating, he is destined to become the next leader of the Purple. He was raised in isolation on a remote island, but came to Tenguu Island to enroll in Jintoku Academy. He looks up to his guardian, Shizuku, as if s... read more

A boy of the Purple. Born through mating, he is destined to become the next leader of the Purple. He was raised in isolation on a remote island, but came to Tenguu Island to enroll in Jintoku Academy. He looks up to his guardian, Shizuku, as if she were his mother.

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A former criminal who was pardoned thanks to the Rainbow Rain amnesty. She runs a restaurant in Yomi, where she provides free meals to poor children. She is nicknamed "Maria of Yomi" because of her impartial charity.

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A mysterious man who lives in Naraku, the lowest level of Yomi. He makes prosthetic limbs for those who have lost body parts due to Haku, moreover he's drawing a giant mandala using Shou as paint. He is also the protector of the White on Tennyo Island and read more

A mysterious man who lives in Naraku, the lowest level of Yomi. He makes prosthetic limbs for those who have lost body parts due to Haku, moreover he's drawing a giant mandala using Shou as paint. He is also the protector of the White on Tennyo Island and Olympia thinks of him as her only family. In "Catharsis" he spends his days peacefully painting, as with the completion of a cure for Haku, requests for his prosthetic limbs have decreased. He refuses to get involved with white-haired Nathanael.

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A kind older gentleman of the Fuchsia.

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