[Machine Translation] While Kazusa is elated by her union with Izumi, others are obsessed, others are aware of their feelings for their friends, and others are ready for the final game...each one's "sexuality" is on the move. Please give me your "first time".... Kazusa and her friends are five girls who belong to a literary club. One day, when the club was discussing "What I want to do before I die," one of the club members suggested the word "sex" ....... From that moment on, the girls begin to be swept up in "sex". Kazusa is confessed by her childhood friend Izumi, and the two get together. While she is happy, the "sex" of each of them begins to move. Some are obsessed, some are aware of their feelings for their friends, and some challenge themselves to a final game. The night that will be a turning point for all the girls opens.