Innocent Bystander

Gabriel is your ordinary college student who is studying in Mechanical Engineering. In his free time, Gabriel likes to read a fantasy book. His favorite book is Hairy Pottery and Lady of the Bracelet. He has a dream that someday he will be able to go to the other world. Luna, the Goddess of light from the other world, needs champions to defeat the demon lord and its demonic spawn that terrorizing the land. So she summons her hero from a different world. That day, Gabriel's dream to come to the other world become a reality as he and a few other people get summoned to a different world. However, Luna only wants five heroes, but why six people get summoned?