「5年前も、同じこと凛々子に言われたね。」私は息子の友人・北山くんと5年の間、セフレ関係を続けていました。その始まりは夫の浮気が発覚し大喧嘩をしていたあの日、憔悴しきった私に北山くんが純粋な告白をしてくれたのです。北山くんの気持ちに揺れ動いてしまった私はその日、北山くんと一線を越えました。それからはお互いを求め合う日々が続き、夫と息子の目を盗み密会を繰り返していたのですが…。

"You said the same thing to me five years ago, Ririko." I had been having a casual sexual relationship with my son's friend, Kitayama-kun, for five years. It all started that day when I had a huge fight with my husband after discovering his infidelity. Kitayama-kun confessed his feelings to me when I was completely devastated. I was moved by Kitayama-kun's feelings, and that day we crossed the line. From then on, we continued to desire each other day after day, and we kept meeting secretly, stealing moments away from my husband and son's eyes…