The guy who served as an assistant for an adventurer party, ■■■■■, was betrayed by his party members on the dragon-infested Mt. Kuguse. Mortally wounded, he wakes up later in the nest of the Red Dragon, Kafal, who lost its eggs in the disaster. He has become a girl called Lushela after losing both his memories and his name. It seems like Kafal's started to raise him as its own daughter...? A unique parent-child tale of how one dragon and one human's strange fates bring them together.