Jeon Somi and Jeon Jungkook are cousins, but when Somi turned 3 years old she got adopted. Somi doesn't remember jungkook much. Jungkook had high hopes he'd see his cousin again. So, he kept searching for her he didn't give up. He wanted to see his cousin and see the same smile that always made his day. Couple years pass , It's Somi's birthday but what happens to Somi when her "mom" gets mad at her? She leaves the house, but little did Somi know she'd end up getting coffee spilled on her by a young man...

Heejin got kidnapped by a girl ! And it turned out to be Kim Lip . A mysterious girl that came out from nowhere. She took Heejin to LOONA planet with a spaceship along with Jinsoul and Choerry . Wait . Hold on ! What is happening ? What is the reason Heejin becomes the chosen one ? And what would happen next ? The most important thing is . . . Who will Heejin face when she arrive there ? The answers would all be in this book , loona the world !