The Blazer's Showdown

A young student, named Ren, finds himself summoned, along with six of his friends, to another world. They were called "Heroes" by the humans there, destined to defeat the demon lords and free the other half of the world, the demon realm. Although Ren was a misfit due to his attempt to help Mai, one of his friends, getting away from the teleportation, he didn't stop trying to assist the rest of his friends. What awaits Ren's faith as the misfit? Will they survive and find a way back?