Mr. and Mrs. Oribe moved to a central city apartment due to his job transfer. Seri, who had lived in the countryside, was excited about living in the city. One day, while visiting her new neighbors, she discovered that they were college students using their room for lewd activities similar to prostitution... Feeling uneasy, Seri tried to leave but the students noticed her beauty and forcefully brought her inside, treating her like a sexual plaything and taking advantage of her without hesitation...

夫の転勤で都心のマンションへと引っ越してきた織本夫妻。田舎暮らしだったせりのは都会での生活に心躍らせていた。そんなある日、引っ越しの挨拶へ隣の部屋を訪れたせりのだったが、隣室はレ●プまがいの行為を繰り返すクズ大学生たちが住むヤリ部屋で…。不穏な空気を感じるせりのだったが、彼女の美貌に目をつけた大学生たちは半ば強引に室内へと誘い込み、有無を言わさずせりのを性玩具として凌●して…。