By the Grace of the Gods (Manga) 11

<b>Slime''s up for one recently deceased middle-aged businessman! When the gods reincarnate him in another world as a boy with magical powers, he discovers that magically tamed slime are an untapped natural resource!</b><br><br>Ryoma decides to focus on his original job as an adventurer after seeing his laundry business doing well under the care of his diligent employees. Ryoma’s long-term goal is to raise his adventurer rank in order to return to his fictional hometown in a dangerous region. After some consultation with the guild, Ryoma takes a job that introduces him to a magic device maker who inspires Ryoma’s creative tendencies!