The peaceful seven parallel worlds are in danger with the appearance of a new villain, 'Another'. 'Kebi', the dimension goblin, asks 'Hari' and 'Shinbi' for help to stop 'Another' who is disrupting the order of the parallel worlds. 'Hari' learns that there are seven other worlds thanks to 'Kebi', and people with the exact same appearance and name live there. She also hears that her younger brother 'Duri' and 'Geumbi', who suddenly disappeared, have also fallen into 'Another's' world. To find her brother! To save the parallel worlds! Hari embarks on an adventure to the 7th world, where the key to the last hope lies!