BE's pronouns will rotate. All members are evil. Everyone is selfish.
The heroine has liked her stepmother's cousin since childhood, and her cousin likes the heroine's aunt. Her aunt is married to a wealthy businessman who is more than ten years older than herself. The hero is her aunt's stepson. When they were together with the heroine, he was a scumbag to the heroine. Later he regretted it, but found that the heroine actually didn't like him, and the sadness was not for her own sake. The aunt had hidden feelings for the hero.
Intention: None