Arai Kisaku is a manga creator who was serializied in Jump. His manga debuted in the issue of Jump before Detective Trap. It is called Cheese Okaki. Its first chapter got 3rd place in the reader
polls, and its second chapter got 9th place. It was recently revealed that he worked as an assistant for Mikihiko Azuma.
Personality
Arai is friendly, mostly getting along well with whoever he meets. Out of all the characters in the series, he is perhaps the most ordinary. Judging from the manga that he drew, as well as his perpetual smile, he most likely specializes in comedies and gag manga.
Appearance
Arai wears glasses and has hair similar to Takahama's.
Manga
When Arai was still a contributor, he always drew romantic comedies.
Cheese Okaki is cancelled early on, prompting Takagi and Mashiro to rework Detective Trap.
Hustleman A was easily accepted for serialization.
Boy E, Girl B came in 3rd with 172 votes in the Super Leaders Love Fest.
He was let go from Jump when Azuma was about to get serialized, but due to Nanamine's assistance, will be serialized again.