♂ m

The protagonist. He has an outgoing and bright personality. On the other hand he has a strong sense of responsibility and will give his all to make things right. He's pretty good with his hands and can do lots of special work tasks effectively. He has a dream of becoming an architect and is determi... read more

The protagonist. He has an outgoing and bright personality. On the other hand he has a strong sense of responsibility and will give his all to make things right. He's pretty good with his hands and can do lots of special work tasks effectively. He has a dream of becoming an architect and is determined to make his dream come true, before transferring he was working part-time at relatives' architectural office and was doing a pretty good job. After his transfer he joined event management committee and seems to be having a lot of fun doing tasks for them.

♀ f

Ryousuke's classmate who sits next to him. Her mother is a famous pianist, and she is also pretty skilled at playing the piano. Instead of socializing, she plays the piano in the music room every day. read more

Ryousuke's classmate who sits next to him. Her mother is a famous pianist, and she is also pretty skilled at playing the piano. Instead of socializing, she plays the piano in the music room every day.

♀ f

Ryousuke's senpai. Her father is the director of the aquarium Marinpia Shionagi, which closed down recently. She loves the ocean and all marine life and is extremely knowledgeable about them.

♀ f

Ryousuke's junior. Taciturn character, rarely shows her emotions. She is the only member of the Astronomy Club and the only student who has the key to the rooftop which is prohibited from access. She loves the stars very much and is very knowledge... read more

Ryousuke's junior. Taciturn character, rarely shows her emotions. She is the only member of the Astronomy Club and the only student who has the key to the rooftop which is prohibited from access. She loves the stars very much and is very knowledgeable about them.

♀ f

Ryousuke's classmate who is part of the graduation album production committee. Energetic, friendly, serious and funny, Natsuki is almost considered the committee's mascot. It is known throughout the school, both by students and teachers. She captu... read more

Ryousuke's classmate who is part of the graduation album production committee. Energetic, friendly, serious and funny, Natsuki is almost considered the committee's mascot. It is known throughout the school, both by students and teachers. She captures every moment of the students' lives to photograph them, her motto is that a photo is a bridge between the past, the present and the future.

♀ f

Ryousuke's childhood friend, the two were reunited when he moved back to Shionagi. When Marika was young she would often take days off class because of asthma attacks, and was often kept company by Ryousuke. When he had to move, she promised him t... read more

Ryousuke's childhood friend, the two were reunited when he moved back to Shionagi. When Marika was young she would often take days off class because of asthma attacks, and was often kept company by Ryousuke. When he had to move, she promised him to get better for when they meet again, and is very happy that she has managed to keep this promise.

♀ f

A transfer student just like Ryousuke. Because she likes her old school's uniform, she keeps on wearing it, which makes her stand out. Despite being popular, she isn't very outgoing and doesn't like to do stuff she finds troublesome. She likes tak... read more

A transfer student just like Ryousuke. Because she likes her old school's uniform, she keeps on wearing it, which makes her stand out. Despite being popular, she isn't very outgoing and doesn't like to do stuff she finds troublesome. She likes taking naps everyday after school in the old school building, because it's quiet there. Despite it being closed down, she somehow has a key to the building.

♂ m 52

An ambitious architect who lives in Shionagi. Contrary to his delicate style of doing work he is a bit of an airhead. For Ryousuke he's someone he admires and looks up to. His work on the aquarium "Marinpia Shionagi" known as his i... read more

An ambitious architect who lives in Shionagi. Contrary to his delicate style of doing work he is a bit of an airhead. For Ryousuke he's someone he admires and looks up to. His work on the aquarium "Marinpia Shionagi" known as his initial masterpiece.

♀ f

Rikka's younger sister who goes to a music school in Salzburg and is a professional pianist.

♂ m

Ryousuke's childhood friend who is the head of the event management committee. He is currently dating a girl named Kaori, a former senpai who goes to a university.

♀ f

Shuuichi's girlfriend who is a university student, and a previous literature club member at Shionagi Academy

♀ f

Rikka and Meguru's mother; composer of Omoi no Kakera.