Ore o Obutsuatsukai suru Caste Joui no JK ga Henshin Heroine datta node Saimin Sennou de Netotte Buzama na Haramibukuro ni Otosu! The Motion Anime

The main antagonists are schoolgirls who occupy the top ranks of the school hierarchy and enjoy enormous popularity among their classmates...

The main character, whom they look down on, spends his days in a depressed state, but with the help of an app, he gains the power of a monster. The hero reveals the true nature of the schoolgirls with his irresistible energy and perverted sex with fertilization - he subjugates their hearts and bodies...

Each of them has a boyfriend they love, and for his sake they fight evil day and night, but the cunning main character, with the help of his huge cock and thick sperm, shamelessly penetrates their innocent pussies and irresponsibly cums inside them...