A duke's daughter and the crown prince's fiancée... I, Rachel Sheringham, was both and wielded dark attribute magic, which allowed me to use necromancy. I was accused of colluding with demons due to it and was executed.

With regret as my source of power, I will return to life as a lich!!!

Cruz was reincarnated as a low-class demon into Makai, the underworld. In her past life, aimed to be an A-list pâtissière, so now she’s bewildered by the jet-black food of this world! However, she was touched by the kindness of the demons around her. She declares, “I wish to make the citizens of Makai happy with sweets!” Thus, Cruz creates Makai's first “parfait” with limited materials. When the demons first taste her sweets, they become instantly captivated! Furthermore, even the most powerful Demon King of all time has heard rumors of her and summoned Cruz to meet him…?!