1) Two school idols, Kaori and Kurumi, are both rumored to have boyfriends, but little do others know that they share the same boyfriend named Mu-min. Despite Mu-min's doubts about his worthiness, the girls cherish his kindness from their childhood and are deeply in love with him, leading to a unique bond among the trio. 2) Momoka, who is self-conscious about her ample posterior, faces a dilemma when her boyfriend Yoshi proposes a pool outing. Despite her reluctance, Yoshi persists, eventually leading to a humorous episode of swimsuit trials in the changing room. 3) Yoshi and Momoka enjoy a day at the beach until a request for sunscreen application takes a flirtatious turn, testing the boundaries of their relationship. 4) Childhood promises come to light as Gin struggles with his shorter stature in comparison to his high school crush, Rita, who remains unfazed by their height difference, prompting her to take matters into her own hands. 5) Tatsuo and Midori navigate the challenges of sharing a bed as Tatsuo's tendency to overheat interrupts their sleep, leading to amusing attempts to address the issue. 6) Toranosuke's long-standing crush on Tsukamoto takes an unexpected turn when he delivers souvenirs to her and confronts her insecurities about weight, unintentionally revealing his true feelings. 7) With Toranosuke away on a business trip, Tsukamoto embarks on a month-long diet to surprise him with a transformed physique upon his return. 8) Despite being a boxing champion, Hajime finds himself facing a formidable opponent in his wife when their intimate encounter becomes a test of dominance and passion. 9) Sasaki, a disillusioned office worker, finds solace and purpose in helping a charming oden stand clerk, leading to a newfound sense of fulfillment and connection in his life.