Why Nobody Remembers My World? S01E12 - Those Who Shatter the Endless Cycle of World Reincarnation

A battle begins between Last Riser and Kai with Kyoko's aid. Rinne, frozen out of fear, recalls her past with Sid. They manage to lure the monster out of the graveyard as all the races join forces to defeat one enemy; The enemy of the world, Last Riser.