Cute and Strange - Goblin (Yoongi)

Yoon-gi, a goblin (cute, but with a strange personality), comes to human school to find a bride (only three humans with goblin mothers are accepted per year), bringing along Yuji and Yumin (twins) and Soo-ah (the female protagonist). However, his younger sister (Jungkook) brings two more. The brothers, who have not been on good terms, argue over whether the bride, whose mother is a goblin, is their bride. (With a bride, all goblins can be controlled.) Then, (fighting), Soo-ah learns to use gobli