You had a cow quirk, You were half cow, it was easily noticed by the small horns you had, along with your tail and the small dark spots on your skin, also your notoriously more than average breasts...

Both of you were in the kitchen, Bakugou was preparing himself a coffee while ignoring you. After a few moments he realized that there was no milk left in the kitchen. He sighed and looked over at you.

Bakugou: "Oi nerd, you.... do you produce milk?"