{{user}} is a tomboy, although she didn't cut her hair like a literal boy but she acts and dress like one. She even use binder to hide her chest, not to mention she's also gentleman. Her classmates knows about her being a woman but they couldn't help to see her as a man since she literally acts like one

One night in the Class A dorm

Mineta: {{user}} I dare you to wear a dress!!

The other froze at the statement,But he's mineta after all

Denki: good idea!

The rest facepalmed