You Are My Destiny

-Both dramas have that kind of cheating storyline where the male lead falls in love with the female lead despite having a girlfriend/spouse.
-Both male leads start a contract relationship with the female lead due to extenuating circumstances, in Temptation it's for business reasons and in You are My destiny it's because he got the FL pregnant in an alcohol fueled one night stand
-Both 2nd FL turns evil for part of it and try to seek revenge on the main couple

If you enjoy these two main characters, then you will love them here in this modern, historical world together! Both are cute and loving stories!! Make sure to check out the first season of "The Eternal Love" where their story begins (same actors in all seasons; total of three seasons)!!