Oh Sehun is a tough nut to crack. He has this cold and quiet exterior that attract people, but he push away those who tried to get close to him. He is known as the ice prince of the school. 

It's been years since Sunmi arrived on EXO. She now lives the not-so-ordinary life she always dreamed of. But, it isn't easy having one husband, three mates, three kids, and eight brother in-laws. Will she be able to handle such hectic life? What happens when a prince from far away land claims that Sunmi as his?

Sunmi is a girl with Overprotective parents. She snuck out of her house and ended up on a different planet where she meets 12 handsome boys and romance heats up as she gets to know them. Will she follow her heart and choose the right one? What will she do when her heart beats for more than one of them?