[Forced Possession Summoning]A technique to forcibly summon a person from another world and defeat a monster sealed within them. It is a forbidden large-scale magic that mankind has devised to defeat an otherwise undefeatable dragon. Yukihisa Kogure, a black company worker, was summoned to another world with this [Forced Possession Summoning] magic on one day overnight. The dragon, Veno Yveval, was sealed within Yukihisa's body. To subjugate a powerful dragon by using the life of a person from another world? They will come at us with everything they have. Won't you cooperate with me to survive? Isn't that an offer I cannot refuse? I do not wish to die. Thus, the escape of Yukihisa and the dragon, Veno, began. An otherworld fugitive drama depicted by extraordinary storyteller Aneko Yusagi, unfolds!