Koichi Sumita

First appearance: Episode 151

A very shy person who likes Kaede, and has confessed to her. Once, because of Azumi, Hanzo, and Sasuke, he and Kaede accidentally kissed. He is good at sports and has two younger twin sisters. Like Mirumo, he likes chocolates, and he also loves Kumocho. He always supports Kaede. At the end of the season, he is dating Haruka Moroshita.