What Does It Mean for My Middle School Fantasy to Be True?

Gu Chenxiao was diagnosed with "paranoid schizophrenia" when he was 12 years old. However, with persistent treatment, he has finally recovered. But he never dreamed that he would meet a serious magical girl at this time... "No, this woman must be delusional!" "Damn it, she's not the only one!" "It turns out that there are so many patients in this world who refuse to receive treatment..." "Help, I'm surrounded by chuunibyou!" And the magical world hidden in the dark side of the city has also ushered in a conspiracy and change.