Welcome to Danjo-hi 1:5, we have:
A loli Tsundere
A nerdy Tsundere
A mischief Tsundere
A generic Tsundere
and a mature Yandere.
All of them are female, enjoy.
Are you guys have a fucking reading comprehension or something ?
It's just a (small breast) tomboy (girl with boy-ish personality) puts on a long wig and bigger breast suit just to troll her friend.
The dude has thought his best friend was a femboy (boy with girly personality), until she...