[TSF no F (F, Betty)] Onna ni Natta Ore wa Shinyuu no Risou no Kanojo?

When a sudden transformation turns a close friend into a girl, the lines between friendship and romance blur instantly. Amidst the confusion of school life, the once-boyish protagonist finds themselves facing a new reality where their former best friend now looks ridiculously handsome and unexpectedly alluring. As tension builds between them, the struggle to maintain composure gives way to intense, heated moments that test their changing relationship. Will they find a way to break the spell, or will they surrender to the irresistible pull of their new roles?