Under one roof, the sequel to a sexy drama with naughty delusions

Third in a series of films depicting the upheaval at a shared house with sexy residents. Director Yoshiyuki Yumi, known for her heart-warming works, presents a good film centred on the love life of a shy woman, and also attractively portrays the people around her, including her reliable best friend and a man who takes a liking to her. Mika (Hoshina Ai), an accessory artist with limited experience of romance, meets the senior of her dreams again on a matching app and, with the encouragement of her best friend Natsumi (Arimura Nozomi), progresses to love. She moves into the share house where her senpai lives, but it turns out to be a battleground for women who have their eyes on her.

Kazuo, an art university student, decides to live in and shoot a promotional video for the share house where Miki, who he has a crush on, lives, as part of his graduation project. However, he realizes that one of his housemates, Sanae (Aimi), is Karen Hanajima, an AV actress who was once all the rage and who even Kazuo admired. As he comes into contact with Sanae's true face, he learns that she has not healed from the wounds of a difficult love, and that she is truly gentle and beautiful, which only increases the virgin youth's anguish. Meanwhile, Miki sees the shadow of a new man, and Sanae hears about her return to AV...