aoi, mitsuri, and miwa are fourth-year university students in a surfing club. mitsuri secretly loved her childhood friend aoi. meanwhile, aoi and miwa started dating. one day, aoi found out that miwa was cheating and became distrustful of women. mitsuri told aoi that she was not like that. to prove it, she proposed a month of abstinence. if she succeeded, mitsuri wanted aoi to do anything she asked. mitsuri finally challenges the ntr drama! it's not just an ntr drama, but a sweet and bitter pure love story mixed with male and female romantic feelings. mitsuri, who had always loved her childhood male friend, finally confessed her feelings that she couldn't express, and a 3-day cohabitation with her childhood friend began. her feelings exploded, and she sought to unite her body and heart many times. her devoted figure is sure to make your chest pound and stand up! and on the final day, an unexpected development...