ボクと恋生は交際3年を記念して、一泊二日の温泉デートに行くことに。恋生とボクはえっちする関係だけど恋生が忙しくて会えないことが多く、会うのは1カ月ぶり。恋生がAVの中でボク以外の男とSEXしているところを見てモンモンとしていたボクはここぞとばかりに恋生に迫るのだった…

To celebrate our three-year anniversary, Koisei and I decided to go on a two-day, one-night hot spring date. While Koisei and I have a sexual relationship, she's often busy and we don't get to see each other often, so it's been a month since we last met. Having been tormented by seeing Koisei having sex with other men in adult videos, I seized the opportunity to make my move on her…