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Tsukumo was adopted when he was very young kid - in 1999 - by the Sakurazuka family following the loss of his family because of a natural disaster in 1996. At first, he couldn't think of Natsuki as his sister until she saved him -... read more

Tsukumo was adopted when he was very young kid - in 1999 - by the Sakurazuka family following the loss of his family because of a natural disaster in 1996. At first, he couldn't think of Natsuki as his sister until she saved him - the same year - from drowning, getting hurt herself in the process. Ever since, he has been devoting a deep love to her, more than brotherly. Tsukumo rarely loses consciousness after a fight, even if it was a difficult fight. On the other hand, Mimi's kitchen nearly sent him to the other world ...

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Mimi is a young girl that Tsukumo crossed a night in the street during his jogging, she searched her losting white cat nammed Sugar. Some times later, he learned she's one of his kouhai in his school. She's the best friend and cla... read more

Mimi is a young girl that Tsukumo crossed a night in the street during his jogging, she searched her losting white cat nammed Sugar. Some times later, he learned she's one of his kouhai in his school. She's the best friend and classmate of Akeno. She tends to faint after a strong emotion. She is also a very pure girl. Since Tsukumo saved her, she talks about him as her "Ouji-savior" - because she didn't know his first name - to her best friend, Akeno, who made the connection with Tsukumo when she asked her if she knew any something else about him and she replied that she only knew his last name, Sakurazuka.

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Natsuki's classmate and friend in 1999. She looks and acts cold toward men but not against women.

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She is the older sister of Tsukumo and a school nurse. She's quite popular among the students and teachers. A rumor says that one of her former schoolmate - a rich medical doctor - would try to go out with her. In reality, this rum... read more

She is the older sister of Tsukumo and a school nurse. She's quite popular among the students and teachers. A rumor says that one of her former schoolmate - a rich medical doctor - would try to go out with her. In reality, this rumor was created by Tsukumo for stopping the boys who try to going out with his sister. She's also the subject of the sexual fantaisies of her little brother who had a secret crush on her since ever. She's a big fan of astrology and science fiction, she reads a lot of novels and often watches documentaries on television. She is an inconsiderate fan of the physicist and professor Kagami, she owns and has read all his books. Her favorite theme and subject is the time travel. One of her favorite writers is - among overs - Isaac Asimov. Her passion for astrology and science fiction came from a "friend" she had in high school and who disappeared at that time. She used to call him "Onii-chan". Given the way she talks about this "friend", he probably had to more than a simple "friend", maybe he had to be her lover. This heroine has another alternative version (from when she were even younger, in the year of 1996).

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This is the same Natsuki Sakurazuka, only younger. She looked like this in the year of 1999. On the other hand, her personality is slightly different from that of the present time because she is more reserved and timid. read more

This is the same Natsuki Sakurazuka, only younger. She looked like this in the year of 1999. On the other hand, her personality is slightly different from that of the present time because she is more reserved and timid. She is described by her classmates as the most beautiful and kind girl in high school. The boys also call her "untouchable beauty" because she rejects all boys when they confess. This heroine has another alternative version (from when she were even younger, in the year of 1996).

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This is Natsuki in the year of 1996. There are two versions of her in the game when she is older: one from the year of 1999, and one from the presentread more

This is Natsuki in the year of 1996. There are two versions of her in the game when she is older: one from the year of 1999, and one from the present.

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He is the father of Natsuki and Tsukumo. He left with his wife to take over a family busine... read more

He is the father of Natsuki and Tsukumo. He left with his wife to take over a family business outside the city in the present time and no longer live in the family home. They come back from time to time to visit their children. They are much more present in the past because they work in the city and not outside (because they have not yet taken over the family business).

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He is the boyfriend and senpai of Akeno and also Tsukumo's friend and classmate. He loves very much his girlfriend, even if she's irritating sometimes ... He's ... read more

He is the boyfriend and senpai of Akeno and also Tsukumo's friend and classmate. He loves very much his girlfriend, even if she's irritating sometimes ... He's a guy who has a good background, he does not judge people about their appearance and he considers himself the first friend of Tsukumo ( which is true ). He is the type not to get into trouble, but he draws to Tsukumo, spreading the rumor that his friend is the strongest, many offenders come to measure their strength against him. It was he who spread the news of his rising in fame after defeating Torazou ( the current "Boss" ), renaming Tsukumo the "new Boss".

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Nana is professor Kagami's wife and Mimi's mother at the time when she was pregnant with her, in the year of 1996.

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She is the girlfriend of Sakuya and Tsukumo's friend. She's also their kouhai. Her best friend is read more

She is the girlfriend of Sakuya and Tsukumo's friend. She's also their kouhai. Her best friend is Bibi who is also her classmate. She is frank and without genes. When she sees the muscles of Tsukumo when they are at the beach, she does not hesitate to touch him in front of her boyfriend, making him a little jealous. When Sakuya tries to value himself in her eyes, she doesn't hesitate to devalue him in one or two words, especially by calling into question his night performances ( her tsun-tsun side ) ... She's easly embarassed when her boyfriend is complimenting her and she becomes very cute ( her dere-dere side ).

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She is the mother of Natsuki and Tsukumo. She left with her husband to take over a family b... read more

She is the mother of Natsuki and Tsukumo. She left with her husband to take over a family business outside the city in the present time and no longer live in the family home. They come back from time to time to visit their children. They are much more present in the past because they work in the city and not outside (because they have not yet taken over the family business).

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A suspicious and unknown woman who seems to be staring at Tsukumo and Natsuki during one of their outings together ... read more

A suspicious and unknown woman who seems to be staring at Tsukumo and Natsuki during one of their outings together ...

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Kuurin's millionaire father.

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He is the leader of the gangsters of the city, known as undefeated. His "people" and others call him "Boss" because he runs a gang that rages in several schools. He considerates himself as a rival of Tsukumo. His war symbol is a ti... read more

He is the leader of the gangsters of the city, known as undefeated. His "people" and others call him "Boss" because he runs a gang that rages in several schools. He considerates himself as a rival of Tsukumo. His war symbol is a tiger.

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A great physicist who has worked a lot on the time travel of which Natsuki is a fan and who often goes into the documentaries she watches.

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Tsukumo when he arrives in his new family in 1999.

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A classmate of Natsuki in 1999.

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An old acquaintance of Natsuki from high school. He is in a way his drinking partner and his confidant. He serves as a model for Tsukumo's story of his sister's ... read more

An old acquaintance of Natsuki from high school. He is in a way his drinking partner and his confidant. He serves as a model for Tsukumo's story of his sister's fake boyfriend. He apparently met Tsukumo once in the past when he was younger - but Tsukumo is sure he never met him before - and he also adds that they were the same age at the time ... He has the same last name as Takashima Kimihiko from PurexCure and Takashima Haruhiko from Koibumi Romantica; the three of them also have a similar appearance, personality AND occupation.

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Yurika is a kouhai and the girlfriend of Kuurin in 1999. She idolizes Kuurin and she is deeply in love with her, but we do not know if Kuurin really regarded her as her girlfriend or as a one night stand partner. read more

Yurika is a kouhai and the girlfriend of Kuurin in 1999. She idolizes Kuurin and she is deeply in love with her, but we do not know if Kuurin really regarded her as her girlfriend or as a one night stand partner. The trait "Sex with Others" only concerns her and Kuurin because they sleep together.

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A young mother who has just had her baby whom Natsuki meets in the outside courtyard of the hospital and who is hospitalized because she has cancer, they will get along fairly quickly. She is good advice and will help Natsuki reor... read more

A young mother who has just had her baby whom Natsuki meets in the outside courtyard of the hospital and who is hospitalized because she has cancer, they will get along fairly quickly. She is good advice and will help Natsuki reorder her feelings.