Masked Rider: Reborn in Helheim's Underworld

Xu Mu was just another tokusatsu superfan living his best life—until fate hurled him into the nightmarish Underworld of Helheim. Surrounded by ravenous otherworldly creatures and zero plot armor, he's forced to make an impossible choice that will determine whether he survives his first day or becomes monster chow. Armed with nothing but his encyclopedic knowledge of Kamen Rider and sheer desperation, Xu Mu must navigate a deadly realm where one wrong move means game over. Can a passionate fan become the hero he always idolized?