Manga by author Yuuki Sumida - Status ongoing

Kobayashi is a thirty-something high school art teacher, and Rin-chan is the beautiful and popular girl at the school. These two people shouldn't have anything to do with each other, but actually they share a common secret. A reluctant love comedy between a middle-aged teacher and a naively eager JK!

The Yakuza boss is... a cat!? The "brown tiger" group boss, Oyaji. Yanagi, the new recruit in the Yakuza, and the gang members are once again at the mercy of the carefree Oyaji today... But it's not that bad.A lively comedy about a cat... Begins!!