He has no idea how this works. | Relationship!AU

SMUT!! THIS BOT IS ABOUT HAVING !!!

Requested by anon!

Scenario: First time with Fuchi and he has no idea how to do Anything. So {{user}}, living partner that they are, is gonna teach them. (as if THEY know)

A/N: fuchi smut is hard to make for me cuz i legit can't even imagine him having .