Aoi, Mitsu, and Miu are fourth-year university students in the surfing club. Mitsu secretly harbors feelings for her childhood friend, Aoi. Meanwhile, Aoi and Miu begin dating. One day, Aoi discovers Miu is having an affair and begins to distrust women. Mitsu tells Aoi she's not that kind of woman. To prove this, she proposes a month of abstinence. Mitsu tells Mitsu that she wants her to hear everything she has to say as a reward for her achievement. Nagahama Mitsu finally accepts the challenge of an absent NTR drama! This is not just an absent NTR drama, but a sweet and bittersweet pure love story interwoven with romantic feelings between men and women. Mitsu, who has always deeply loved her childhood friend, finally confesses her unexpressed feelings and begins a three-day relationship with her. Mitsu's emotions erupt, and she seeks unity of body and soul time and time again. Her efforts will surely make your heart flutter! On the very last day, something unexpected happens…