Garakuta Reijou to Hanayome Koroshi Koushaku ni, Ai wa Muzukashii.

What did I just 'feel'...?" Baron's daughter Melvi Runoire possesses a unique constitution: she "feels nothing." Despised by her family as an eerie "defective product" and continually oppressed, she is ordered to marry Duke Gerald Varlier, feared as the "Flower-Killing Duke." Sensing mortal danger, she visits the Duke's mansion. Upon meeting him, Gerald declares, "If you don't lose consciousness when I touch you, I will make you my wife." ...And then, the moment his fingertips brushed against Melvi, her body, which should have been incapable of sensation, was overcome by a sweet, numbing "pleasure"— This was the prologue to the story of two "incomplete individuals" discovering love...