[Hot Milk] My childhood friend turned into a flashy gal, and even my wholesome underclassman got gender-swapped into a girl—now I've got a harem

After his childhood friend transforms into a flashy gyaru, the protagonist finds his once‑innocent underclassmate gender‑swapped into a girl, and the three become entangled in a heated harem. The blonde’s painted nails and ponytail contrast with the black‑haired girl’s schoolgirl uniform as they share intimate moments, from paizuri to nakadashi. Their evolving relationships, marked by gender change and group dynamics, drive the story’s erotic tension.