Despite appearing uninterested in romance, high school student manabu has a part-time job as an author for an adult magazine that focuses on sexual content. one day, just before some classmates were about to attack him, he was rescued by yamaguma, who is popular but naive when it comes to romantic relationships. it turns out that yamaguma's older sister works at a nightclub and is upset with manabu for writing erotic material. while trying to help yamaguma understand the nuances of romance, they found themselves drawn closer together through their connected hands. this unexpected connection led them on a journey of self-discovery and first love.