|Height||179 cm (5'10")|
Shin has black, messy, wavy hair that is tipped with a maroon red color. He has red eyes, and wears black and red collars on his neck. His clothing usually consists of red and black color combinations.
He is somewhat reserved, and mysterious. It is found out that he is Heroine's boyfriend of three months. Heroine has a memory in which Shin confesses to killing a man, but her memory is confused. In reality, it was Shin's father who killed a man in a drunken rage, which caused Shin to become an outcast, and made it hard for him to make friends. Even though he was an outcast, Heroine chose to stay by Shin's side, because she cares for him very much, Toma also stays Shin's friend throughout his struggles along with the Heroine. Shin is deeply in love with Heroine, and has been with her for three months.
Shin is a 3rd year high-schooler and is currently studying very hard to get into a university. He enjoys playing card games and is in the track and field club.
Shin's symbolic route in the game is the 'Heart'.
It is stated in a flashback of Heroine that Shin has killed a man, it is later revealed in episode 4 that her memory was wrong, and it was his "Father" who had killed a man, which ultimately made him an outcast.
- His symbol flower is dahlia, which means splendid and graceful in the flower language.