Even a Replica Can Fall in Love

Sunao's doppelganger, created to take her place when she's absent, lives a secret life at school. She does her best to mimic Sunao's behavior, but her interactions with classmates are limited to specific conditions. Sanada, a classmate, becomes her friend after a conversation, and he's one of the few people who notices something's off about her. As their friendship deepens, she develops feelings for Sanada, raising questions about the nature of her existence and the consequences of her emotions.