Isekai Mahou wa Okureteru!

Synopsis:

Suimei and his two best friends are unexpectedly transported to a magical new world, complete with a charming princess, powerful spells, a Demon Lord to defeat, and a kingdom in desperate need of saving. While his friends are eager to embrace their roles as heroes, Suimei has one goal in mind—getting back home. As a skilled magician, he thinks he has an edge, but he’s in for a shock when he discovers the true nature of magic in this strange world.