Meltis' quest is the journey of the protagonist, Princess Meltis, to rebuild her kingdom from the ruins. Meltis is a girl who has spent her whole life idling and relying on others. But one day the Grolido Monster Empire invades her country, destroying the royal castle to the ground and kidnapping her three sisters. Meltis decides that she must save her sisters and the kingdom herself, for there is no one else. In order to do so, she must set out on a journey to save her family and restore her kingdom.