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Naoshi represents the Leo. He is Tsukiko's homeroom teacher and the advisor for the archery club. He is energetic and enjoys the "youth" part of high school since he spent high school mostly studying, and because of that, a lot of students can't take him seriously and often play pranks on him.

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Kotarou represents the Libra. He is the school nurse who had ambitions to become a doctor. His father is the chairman of the academy, but after his father's retirement, the position was given to Kotarou's sister, Koharu. However, he ended up obtaining the position due to Koharu's wish to work overse... read more

Kotarou represents the Libra. He is the school nurse who had ambitions to become a doctor. His father is the chairman of the academy, but after his father's retirement, the position was given to Kotarou's sister, Koharu. However, he ended up obtaining the position due to Koharu's wish to work overseas.

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Iku represents the Gemini. He is currently a student teacher and is friends with the school nurse, Kotarou, since they were children.

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Kotarou's older sister and the chairman of the Segiatsu academy.

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Kanata represents the Pisces. Brash and impulsive, he has been friends with Tsukiko since childhood and has developed feelings for her. He does not get along very well with Yoh. Kanata suffers from a terminal illness that leaves him in a lethargic state, which is why he often skips classes and faint... read more

Kanata represents the Pisces. Brash and impulsive, he has been friends with Tsukiko since childhood and has developed feelings for her. He does not get along very well with Yoh. Kanata suffers from a terminal illness that leaves him in a lethargic state, which is why he often skips classes and faints without reason. However, he refuses to seek medical help and often gets into school fights that worsen his health to protect Tsukiko. He is a second year.

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You represents the Capricorn. His French name is Henri Samuel Jean Aimée. Likewise, he is half-French and was often teased for that as a kid. He met Tsukiko when he was young, and because she was the only person who didn't make fun of him for being half-French, he fell in love with her and asked his... read more

You represents the Capricorn. His French name is Henri Samuel Jean Aimée. Likewise, he is half-French and was often teased for that as a kid. He met Tsukiko when he was young, and because she was the only person who didn't make fun of him for being half-French, he fell in love with her and asked his father to let him transfer to Seigatsu Academy in order to pursue her. Initially disdainful to everyone except Tsukiko, eventually, he learns the importance of having friends. His father hopes to work in America to develop a special astronomy project. He is a second year.

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Suzuya represents the Cancer. Calm and friendly, he was friends with Tsukiko and Kanata since childhood and often watches out for them like an older brother. He is very good at cooking and often uses the school's kitchen to prepare food for his friends. Suzuya is also in love with Tsukiko, but becau... read more

Suzuya represents the Cancer. Calm and friendly, he was friends with Tsukiko and Kanata since childhood and often watches out for them like an older brother. He is very good at cooking and often uses the school's kitchen to prepare food for his friends. Suzuya is also in love with Tsukiko, but because he knows that Kanata also loves her, he held back. He is a second year.