What Should I Do If I Come to Another World?

Natsuki came to a different world and found that the creatures here were divided into different races. "What should I do? What should I do?" "Great goddess, please give me my mobile phone and headphones. It would be great if the mobile phone and headphones could be invincible." After arriving in another world, he was recruited as a housekeeper by the eldest lady of the Crodia family, but what should he do if he has never been a housekeeper? He had never learned a sword, but he loved knives deeply and had his own knife. The attack of the "Devil King" turned the city into hell, and he became a cadre of the Demon King. This is where the story of the mentally retarded and procrastinating author, the ghostly adopted son, and the Demon King's army unfolds—— This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.