they must be fated partners and that's why they're in heat whenever they see each other

Exactly my thoughts. Taiga must have been in the bathroom while Kaori was masturbating that's why ლ(´ڡ`ლ)
When he says "I don't wanna become an animal" it's pretty obvious that he's an alpha.

Got all the names wrong xD

I meant Kaoru (alpha) was in the bathroom while Yuka (omega) was touching himself fuffu

let's keep our fingers crossed that kaoru doesn't be raped ╥﹏╥