Batsu-Hare manga, バツハレ
The story begins with the protagonist, Wakou Ichiro, who decides to return home early from work to celebrate his second anniversary with his wife. But, when he opens the door of his house…. He finds his wife cheating on him! Although the marriage was short-lived, his life changes again when suddenly, a certain woman appears in front of him? Thus begins a new story, a new erotic comedy!