This is the tale of Puniru the slime and Kotarou, a middle school student, and the journey that leads them to the end of their friendship...
Kotarou Kawaii is a second-year middle school boy. Back in elementary school, he created a slime that came to life, and for the past seven years, he’s cherished his bond with Puniru, his "friend." However, there’s one issue that Kotarou faces...
Throughout these seven years, both have grown immensely, and Puniru has transformed into a stunningly beautiful girl! Alongside her enchanting appearance, Puniru can freely change into various adorable forms as a slime, leaving Kotarou both thrilled and perplexed by her playful antics time and again.
Can Puniru and Kotarou navigate the challenges ahead and maintain their friendship?