My Beloved Wife May Be Having An Affair... And It's With The Man I Hate So Much. Kana Kusakabe

Original title: 愛する妻が浮気しているかもしれない…。しかも相手は俺の大嫌いなあの男。 日下部加奈

Before marrying her current husband, she had an affair with Manager Oshima. She blindly believed his repeated line, “I’m about to leave my wife, so wait for me,” but eventually grew tired of waiting. She decided to marry the man who loved her the most. Even so, in unexpected moments she still finds herself thinking of Manager Oshima. The one she loves the most is still…