Papa no Onnanoko ni Naritai

A young man named Yuuji finds himself drawn into a complicated relationship with his best friend's father, a widower named Kaito. After a night of drinking, Yuuji ends up spending the night at Kaito's house, where an unexpected encounter changes the dynamic between them. As Yuuji grapples with his own feelings and desires, he discovers a side of himself he never knew existed.

Kaito, still mourning the loss of his wife, finds solace in Yuuji's presence, but their connection blurs the lines of friendship and family. The two navigate a taboo relationship that challenges societal norms and their own understanding of love and intimacy. As they explore their newfound bond, they must confront the consequences of their actions and the secrets they keep from those around them.