Ratio

About

Ratio is another Hamatora PI with a doctorate. He is a doctor who helps Birthday out on handyman business. He is also a Hamatora PI, and Birthday's partner and childhood friend.

Anime

Supporting Hamatora The Animation: Saishuukai Chokuzen! Mao ga Okuru

Supporting Hamatora The Animation

Main Mini Hama: Minimum Hamatora Movies

Supporting Re: Hamatora: Season 2

Main Mini Hama: Minimum Hamatora

Manga

Supporting Hamatora The Comic