I Was My Husband's Mistress

Married life with the man I'd admired since high school - my everyday life was easily torn apart by my husband, Ren's betrayal. The woman he had an affair with was Akemi, who had bullied me in high school. The shocking truth was revealed: "I was the woman my husband had an affair with." I was deceived by Ren, and we're not even married. What's worse, Ren and Akemi have a child together. After repeated betrayals, I made a decision. I would take everything away from them.

Original Webtoon

Official Translations:
Korean: Naver Webtoon, Naver Series