Hyosung is at her second year of highschool. She moved to Seoul wit her family and went to a new school where she met Infinity! ;)

Standing on three different tiers of the hierarchy, they have nothing in common. But the Third Realm is no longer safe and at the heart of it all is the one girl that they would lay their lives down for. It's no longer about who you can trust, it's about who can keep you alive.