On the surface, the sunshine is actually a dank and yandere Pi Chen Yan who is very possessive of his neighbor's best friend, and Pi An Sheng, who has a crush on his neighbor but has low self-esteem.
Because Pei Ansheng's parents often beat him, Pei Chenyan also knew about it. The two of them have been calling each other brother and brother since childhood.
Concept: modern city