Dantoudai no Hanayome Sekai wo Horobosu Futsutsuka na Tatsuki desu ga

A “Dragon” appeared from the container that fell in front of Ryuunosuke Dazai.The malevolently beautiful “Dragon”, Rinne Irako, was sentenced to death as a “Calamity” that could destroy the world and was being transported.However, whether it was a trick of fate, the “Dragon” girl had a miraculous encounter with the boy, and fate was about to change significantly.”It’s to save the world come on, let’s love each other.”