Hatty-senpai

Appearance
Hatty is an MMH (Unknown Rare Species), so his head is a Square.

He has Green-Blue eyes and is Casually wearing a Green Shirt.

Personality
Hatty is shy and caring. It is said that a lot of girls seem to like him, but he only likes Pinku-Chan back. He would do anything to protect her.

Relationships
Pinku-Chan - Hatty-Senpai is one of her love interests. In Episode 1, they are seen chatting on the first day of school. They truly admired each other. In Episode 2, Hatty-Senpai is seen letting Pinku-Chan into his house. They are currently dating.

Yuto-Senpai - Yuto and Hatty'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.

Ren/Len-Kun - Len-Kun is one of Hatty-Senpai's friends. It is said that she has a crush on him.

Samu-kun - Takoizu-kun is one of Hatty-Senpai's friends. It is said she has a crush on him.

Hatti-Chan - Hatti-Chan is one of Hatty-Senpai's friends. It is said she has a crush on him.

Hattie-Chan - Hattie-chan is one of Hatty-Senpai's friends. She has a secret crush on him, but no one actually knows that because she is so shy. Though, she does give out hints in the series that she does have a crush on him, but he barely notices.

Jissai-Kun - Jissai is Hatty's little brother. Hatty thinks he is very adorable, but probably only because he looks just like him, but with a circle head and smaller.