After Divorce: I Married My Ex-Wife's Best Friend

[Flower Protector + Time Travel + Rebirth + System + Not the Holy Mother + Black Belly] He loves her forever! For that love that lasts forever, For that lifelong unforgettable oath, He never married! After rebirth, Only then did I find out that on the day she died tragically, she was checking into a room with her boss! His heart was cut by a knife! Make up your mind! To this couple, the sister-in-law, her best friend... Take revenge on all those who betrayed him! This novel and its characters are purely fictitious. Any similarities are purely coincidental and please do not imitate them.