APT.

APT.

Fang Lulu is a sophomore at the music academy. With her pure and innocent appearance, she is seen by everyone as the gentle and obedient model girlfriend: attentive in class, polite to others, and even her boyfriend thinks he knows everything about her. But only she knows that beneath the glamorous "good girl" persona lies a side of herself that she has never shown to anyone. What kind of secret makes her willingly switch so carefully between these two identities?