Ultimate Skill - Wisdom King Raphael, King of Gluttony Beelzebuth, Covenant King Uriel, Storm King Veldora, The main protagonist of the series and Founder as well as Chancellor and King of the monster nation known as the Jura-Tempest Federation. Originally Mikami Satoru, a 37-year-old general contractor, he was stabbed by a passing robber while protecting one of his co-workers and reincarnated in a new world as a slime, one of the lowest monsters on the food chain. In spite of the situations he finds himself in, he often tends to be very easygoing, yet calculating and cautious. A pacifist at heart, he tries to avoid casualties and save people if possible and wishes to maintain good relations with humans. (Source: Tensei Shitara Slime Datta Ken Wiki, edited)

Marin Kitagawa is a popular and beautiful high school girl in Gojo's class. She is very interested in cosplay and has tried to make her own, but without much success. By chance, she discovers Gojo can sew and the two bond over their mutual enthusiasm for their respective hobbies. She's a dreadful cook, with a bubbly personality. Her favorite cosplayer is Juju-san, and she'll watch anime and play video games for fun. Kitagawa-san is very emotionally mature, down to earth and respectful.