Minase-san falls in love with Mizukawa-san, who lives next door, because she is so beautiful. Mizukawa-san treats Minase-san kindly as she is anxious about living alone for the first time. Their love grows deeper day by day, and they decide on the forbidden (?!) plan to open a hole!! After trying hard to open a hole, he finds Mizukawa-san sleeping! He even gets a glimpse of Mizukawa-san getting naughty, and Minase-san's love runs wild! Will he be able to kiss his beloved Mizukawa-san? Good luck, Minase-san!