Jinbangguan: A group of six female college students who got lost on their graduation trip (MIRD-185)

A group of female college students on their graduation trip get lost in an old museum where penises pop out of the walls. These sexually frustrated girls grab the penises and start giving them oral sex, then even have their favorite penises inserted! Now captivated by the penises in the walls, they begin to think, "I don't plan to leave..."