Dantoudai no Hanayome - Sekai wo Horobosu Futsutsuka na Tatsuki desu ga.
Alternative title: 断頭台の花嫁, 断頭台の花嫁 世界を滅ぼすふつつかな竜姫ですが。,
Story Overview
A "mythical beast" showed up from the compartment that fell before Ryuunosuke Dazai. The vindictively gorgeous "winged serpent", Rinne Irako, was condemned to death as a "disaster" that could obliterate the world and was being moved