Maybe it's the hair, but her face looks intentionally like a dude instead of more androgynous. Seems like that's cheating.

Be a strange thing though. Thought you were going home and playing games with a femboy but no, it's actually a thicc tomboy. I'm almost certain there's some obscure manga with this exact premise somewhere.

If someone was interested, on her t-shirt writen "тискай" ("tyskay"), which means something like squeeze, touch, press or palp.