[DeepL Translation - needs review] Introduction to Volume 1: After being crushed by a brave warrior and retreating to another world, the Demon King Satan arrives in Sasazuka, Shibuya-ku, Tokyo! In order to build up the power to invade again, Sadao Maoku, the Demon King himself, is working part-time at Magdo in front of Hatagaya Station today!
(Translator: DeepL)
