Aka-senpai

Appearance
Aka-Senpai has red hair that he tried to slick up, but it didn't quite work out.

Personality
Aka is quite the show-off. Some of the teachers say he is immature and childish. He is constantly thinking he is better than the other boys, but can sometimes be annoying. He is still gentlemanly towards Pinku-Chan.

Pinku-Chan
Aka-Senpai is one of her love interests. In Episode 1, Pinku-chan is seen running to school, and Aka-Senpai accidentally ran into her. He immediately tries to show off to her, and Pinku-Chan finds it funny. They are currently dating.

Buru-Senpai
Aka's and Buru's relationship is very unhealthy. They are always seen competing for Pinku-Chan, even though she has told them to stop several times. They constantly thing they are better than the other, and will have dangerous competitions to prove so.

Appearances
Episode 1

Episode 2

Episode 3

Episode 4

Episode 5 (background)

Episode 5.5

Episode 6 (background)