Jimin lives with his grandmother who lives in the woods by he village, and love fantasy land and tells stories about a fantasy world when she was a child but the people who lives in a village don't believe in her, except her grandson, but her time is almost up and become mythical creature, but his grandmother was telling the truth, because there was 6 mythical creatures look after her, but hide from her grandson. Who are those 6 mythical creatures? Well they take Jimin to their world like his grandmother did? Well they take care of Jimin like they did with his grandmother?