Letty, an especially weak and timid young red dragon, is disowned by his father after getting one of his family's eggs stolen from under his nose by two Hunters. Thrust into the unknown outside, he decides to find himself a new, safe home. After escaping several hazardous encounters, he is directed to the abode of Diaria, a renowned elf architect, Demon Lord and real estate agent, who ends up saving him from a band of four overearger adventurers.