The Demon Lord Is My Stepsister!?

The Three Realms and Four Continents tremble at the mere mention of her name.



Razalith Van Werren, Demon Lord and Supreme Empress of the World, finds that the joy and excitement of her life has been drained.



And so, she decides to off herself without warning and force her reincarnation.





Arthur West has just turned eighteen. His divorced mother finally remarries and he now has a stepsister, Rachel Vahn.



Only, Rachel is the Demon Lord herself, and poor Arthur has no idea how bad things are about to get!