Toriko no Chigiri ~Kazoku no Tame ni Karada o Sashidasu Ane to Imouto~

Due to family circumstances, Yakumo Rio and Yakumo Miyu lived in quite a peculiar environment. When they were little, their parents died, and they were raised by their maternal grandfather, who also happened to be the boss of the yakuza, the Yakumo Group. They were raised in accordance with their grandfather