It turns out to be a Pretty Boy + Boys Over Flowers fanfic! The heroine is an angel. During a mission, she was injured and fell to the earth. A series of stories that happened with the popular idol group ANJELL witnessed ANJELL's love. And because she was entrusted by an angel who had rebelled against heaven, she promised to take care of the boy she gave birth to with humans and find the boy's father. Let her already complicated life become entangled with F4.