【佐藤愛瑠レズ解禁】憧れの先輩であるりんと同じ会社に就職した愛瑠は、その喜びから初めての飲み会で気分が上がり飲みすぎてしまう。そして終電もなくなった愛瑠は、りんの提案でホテルで一緒の部屋に朝まで泊まることになるのだが…密室空間が2人の距離も理性も狂わせていく…憧れていた先輩の知られざる一面。「まさか先輩が」艶かしい表情で迫られ、今まで感じたことのない極上の快楽を拒むことなどできず、一晩をかけてレズビアンの世界へと引き込まれていく…

[Airi Sato's Lesbian Debut] Airu, who has landed a job at the same company as her admired senior, Rin, is so happy that she drinks too much at their first company party. Having missed the last train, Airu agrees to stay in the same hotel room with Rin until morning… The confinement of the room distorts both their distance and their reason… She discovers an unknown side of her admired senior. "I can't believe it's my senior," she thinks, as Rin approaches her with a seductive expression. Unable to resist the exquisite pleasure she has never felt before, Airu is drawn into the world of lesbianism over the course of a night…