20XX-nen Level Up Saigai: Kami kara Sazukarishi Arata naru Chikara

The real world (Trash Game) has been updated! Katsutoshi Kobayashi is a high school senior who longs to be a hero who fights powerful foes to save the world. Despite this longing, he spends his dull days in the world of games and fantasies, turning his eyes away from reality. Then one day, his daily life changes drastically and he finds himself in a ......!