Liu is normal smart kid but always be call nerd because he smart then other people also a quiet kid at class lot people think he weird. He go to school and get bored so he walk to he library. was at library and he found a summon demon book so he read it and he though it was not real so he try summon this demon as joke at 12:00 night he try summon that demon and suddenly it's blackout he was shock and panic at same time and he see a something bigger and it walk close to me and suddenly the light