Until I Destroy My Husband's Family 夫の家庭を壊すまで，(EP01~07 Recap)

Minori Kisaragi (played by Marika Matsumoto) believed she had been married to her high school sweetheart for years, blessed with love and children. But when she accidentally discovers that her husband Yudai (Terunosuke Takezai) has been leading a double life—with a mistress named Riko (Maho Nonami) and their son—for a staggering 15 years, she decides that divorce isn’t enough.