Kuro Gal ni Natta kara Shinyuu to shitemita

This invincible duo used to turn heads wherever they went, leaving a trail of swooning girls in their wake. Who could blame them? One was a sporty, tanned, outgoing blonde; the other—a toned, cocky, and charismatic brunette. They were the ultimate wingmen, never facing a single rejection.

But lately, Shion, the blonde, started noticing a shift: girls were constantly choosing his cool, dependable friend Rui, while completely ignoring him. Heartbroken, rejected, and consumed by jealousy, Shion drinks his sorrows away—only to wake up the next morning transformed into a girl! With no clue how to reverse the spell, a panicked Shion turns to the only person he can trust: Rui.

Except Rui’s reaction is not what he expected. Rui declares there’s absolutely nothing to fix! A best friend is a best friend, no matter the body, so why not make the most of this golden opportunity? But while Rui is ready to play, tease, and enjoy the situation to the fullest, Shion finds himself completely helpless. As it turns out, his new female body has absolutely zero resistance to Rui's irresistible, seductive charm...