Puniru is a Kawaii Slime

Kotarou Kawaii, a second-year middle school boy, has been friends with a slime named Puniru since elementary school. Over the past seven years, Kotarou and Puniru have grown significantly, and Puniru has transformed into a beautiful girl. As Puniru's forms change freely between a slime and various cute appearances, Kotarou finds himself experiencing a mix of excitement and confusion. With their friendship now complicated, Kotarou and Puniru must navigate this new situation.