This is a journey to save a girl's life. On the surface, the negative girl He Yan is full of expectations for life, but in fact she is extremely eager to die. She has thought about suicide many times, but failed due to various reasons. The brain felt He Yan's pain and knew her indifference to life. In order to save and protect life, the brain transformed a soul named Rin to save her. Rin is just a soul with no entity. He can only have an entity on a full moon night, but he can move freely in He Yan's house, and only He Yan can see him.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.