Oi-san to 40 no Monogatari
Genres: Slice of Life
Type: ONA, Episodes: 41
Aired: Mar 26, 2018 to Sep 19, 2018
Studio: Marui Group
Source: Original
Rating: G - All Ages
Synopsis:
Fourty shorts featuring a delightfully chubby cat named Oi-san. This entry also includes the unnumbered "はじまり" (Hajimari) episode that was released the same day as the numbered episode 1.