El Regreso del Señor Demonio Retirado,El Retorno del Rey Demonio Retirado,The Retired Demon King's Return ~ The Demon King suddenly rejuvenates, and uses a slightly naughty, mysterious martial art to pave the world of female superiority and manlyness~,The Return of the Retired Demon Lord,ご隠居魔王さまの返り咲き ～突如若返った先々代魔王さまはちょっぴりHな謎武術で女尊男卑の世界を平定する～,은거 마왕님의 회춘귀환