Mei, Emi, and Minoru are childhood friends who attend different schools. One night while Mei's parents are away on a trip, they get together for a sleepover. Both Mei and Emi secretly have crushes on Minoru. While having a great time, the three try drinking whiskey for the first time with Mei, but quickly get drunk. Drunk, Mei becomes engrossed in Minoru's story about being a virgin, and eventually falls asleep in bed. The two of them...