Takumu Mayuzumi

黛 拓武, Taku, Takku

Age: 13 years old Class: Year 1 Middle School - 7th Grade Height: 170 cm (5'6") Weight: 56 kg Chiyuri's boyfriend. He is excellent at academics and athletics. He attends a famous school that goes from elementary to high school. His other name is a spoiler please stop adding it

It is revealed that Taku is Cyan Pile and the reason for him being good in school and in kendo is that he uses the Brain Burst program to cheat.