Puniru is a Kawaii Slime Season 2

Kotarou Kawaii, a second-year middle school student, has been friends with a slime named Puniru since he was in elementary school. The slime, which he created, came to life seven years ago and has since undergone significant changes. Puniru has transformed into a girl with a beautiful appearance and has developed the ability to change forms into various cute and endearing slime shapes.