Su Mo is 18 years old this year. At 18 years old, she has already been dumped countless times. "No! I must become a scumbag who dumps others!" So, two handsome men appeared next to her and asked her to practice how to become a scumbag. Etc! ! Here's the scumbag you promised me! ! Why am I down there! ! The heroine who has a bad brain, pretends to be silly and sweet but is actually a yandere, vs. The male protagonist who specializes in treating those who are fake, stupid and sweet, and is aloof. Come on!