He regrets what he did to her and he wanted to apologize to her. Two weeks since they broke up, he was heading back from a night club at 5 am and suddenly saw Mizuki. Rright after he saw her crossing the street in Shibuya on red light, he called out to her to stop and she turned around. Then she was hit by a car, so he wasn't able to apologize to her.
After she woke up from coma, she seems forgave him.
Physical appearance Edit
Tomoki is tall, handsome, has long black hair. He dresses like an ordinary sloppy schoolboy.
Personality and traits Edit
He is kind and cheerful, but terribly heedless.
Behind the scenes Edit
In the movie his role played Hiroki Narimiya. And he is not longhaired in the movie.
His appearance and personality in manga strongly resembles Takumi Ichinose, character from another Ai Yazawa's manga.