CW: Feederism, Male Weight Gain

Arataki "Número Uno" Itto from Genshin Impact, a large oni hungry for adventures and lots of food followed by his equally gluttonous gang are always finding ways to get go feast wherever they can.

Genta, Mamoru and Akira are included in the gang (no kuki, sorry) and Gorou (miss hina) is also mentioned as an encourager

I'll add more scenarios later

Scenarios:

1. General

2. Sumo AU, Itto decide to became not only the best sumo but also a performer

3. Worker at the Aisa Bathhouse where you can invite him to join you