Rosario + Vampire (2008)

S2E4 Body Measurements and a Vampire

Yukari is troubled by her status as a child, but with the assistance of someone special, she gets the opportunity to experience adulthood. Among the many new aspects of her life, winning Tsukune's affection becomes her main focus. While her transformation catches the attention of her classmates, both boys and girls, Tsukune appears completely oblivious to her changes. Can Yukari find a way to shift his perception and win his heart?