今日から マ のつく自由業! (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: Shibuya, 15 years old, rescued a yankee from a gang of yankees and was beaten back by them. After being taken into the restroom, he puts his face in the toilet bowl... but somehow, he suddenly finds himself in another world. And I'm the Demon King?　The popular novel has finally been made into a digital comic book!

(Translator: DeepL)