Lilly, a crafty anthropomorphic raccoon thief, was hired to steal a batch of vials from lab. Deciding to take some for herself, she drinks one of the vials, wanting to gain bigger curves and strength. Unfortunately it mutated her, turning her into a massive kaiju-esque raccoon monster. And thus Lilac was born, she can come out whenever she wants, and all Lilly can do is hold her back. However, the longer she holds, the bigger Lilac grows. Lilac wants to grow bigger and to be a dominant girl.