By the Grace of the Gods (Manga), Vol. 1

Enter a world of magic and adventure with the manga series that follows the reincarnation of a middle-aged otaku businessman as a young boy. Equipped with magical powers, Ryoma Takebayashi explores his new surroundings in a carefree manner, encountering slimes from his previous life along the way. Join Ryoma on his journey and see what twists and turns the gods have in store for him.