同じマンションに住む僕達が人生を狂わされたのはちょうど1年前。引っ越してきた人妻・橘さんにそれぞれ別のタイミングで童貞を奪われ、身も心も彼女に堕とされてしまったのです。僕らは皆関係を保ちながら、自分こそが彼女に相応しいと抜け駆けしていたのですが、ある日彼女から’海外出張している旦那の下へいく’と告げられて！？なんとしてでも引き止めたい僕達は、「何でも言うことを聞くから！」と橘さんに縋り付いたのですが、それが大きな誤りの始まりで…。

It was exactly one year ago that our lives were turned upside down. Ms. Tachibana, a married woman who had just moved into our apartment building, took our virginity—each of us at a different time—and completely ensnared us, body and soul. While maintaining our relationships with her, we were all secretly trying to prove that we were the one she truly deserved. But then one day, she told us, “I’m going to join my husband, who’s on a business trip overseas”!? Desperate to stop her at all costs, we clung to Ms. Tachibana, begging, “We’ll do anything you say!” But that was the beginning of a huge mistake…