-haechan × reader - romantic comedy y/n is taeyong's sister who went to their ot23 dorm because their parents were away where she hated every single human being but soon became friends with them except haechan who was exceptionally cold to her because of his ex dumping him. Haechan makes a contract with y/n to pretend they were in love in front of his girlfriend which leads to something else. Will haechan fall for y/n? Will taeyong accept this?