The Kindergarten Detective S01 E01 Episode 1

"Shinichirou Can't Sleep"

Shinichiro Hanasaki, a former detective and principal of Nikoniko Nursery, faces a 60 million yen demand from new building owner Ren Yamauchi, and is also tasked by detective Jojima with rescuing Hitoshi Kamose from the Momoi Group, leading him to confront the gang leader.