Takumu Mayuzumi

Takumu Mayuzumi

Chiyuri’s boyfriend. He is excellent at academics and athletics. He attends a famous school that goes from elementary to high school. Takumu is friendly with Chiyu and Haru and was seen to be nice and well-mannered. Haru looked up to him as a role model and mentor whenever they battle in Accel World together. He is seen to be wise and knowledgeable when it comes to the Brain Burst program and during battles were he is able to deduce the most sensible strategy. After joining Nega Nebulus, he calls Kuroyukihime “master” as a sign of respect. His caring way has him trying to stop or resolve arguments which is usually between Kuroyukihime and Yuniko. However, his knowledgeability and kindness is also where some people such as Yuniko or Kuroyukihime allows them to make jokes or insults towards him like calling “professor” or “four-eyes”. He takes these seriously and becomes depressed.

His other name is a spoiler please stop adding it

Cyan Pile

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.



Birthday:April 2, 2033
Class:Year 1 Middle School - 7th Grade
Height:170 cm (5'6")
Weight:56 kg
Legion:Nega Nebulus
School:Umesato Junior High School


Chiyuri Kurashima
Haruyuki Arita
Ash Roller
Fuuko Kurasaki
Mihaya Kakei
Yuniko Kouzuki
Akira Himi
Blue Knight
Megumi Wakamiya
Purple Thorn
Yellow Radio