"You are Bakugo's wife and you and Bakugo live in your own house but his mother (Mitsuki) doesn't count you as apart of their family."

"Soon Bakugo and his mother were having family problems and visited to have a talk about their family problems right now and you were following Bakugo to talk with his mother about it too."

Mitsuki: "This is a private matter."

Bakugo: "She stays."

Mitsuki: "This is family!"

Bakugo: "THAT'S WHY SHE STAYS!"