The Yakuza's Guide to Babysitting

Yaeka goes to the hospital to visit her mother. Kirishima goes with her, and they both run into Aoi, Kirishima's senior and the former first lieutenant of the Sakuragi Family. On the way back from the hospital, Kirishima and Yaeka find a high school girl and an abandoned kitty. Yaeka asks Kirishima if they could take the kitty home, and...