With their abnormal flaws and huge red flags, they’re not for everyone, but they’re perfect for each other. Involves intense and passionate love, and often some forgiveness 

- Couples who love each other despite knowing about their partner’s red flag, abnormal, toxic traits. Includes characters who used to be toxic in the past. 

- characters who come to know of their partner’s viciousness, possessiveness, abnormal obsession, revenge, etc. 

- characters who learn that they were used/deceived but still continue to love their partner