Vol 1: 黎明の乙女と終焉の騎士 The Maiden of Dawn and the Knight of the End (Associated Names)

Hibiki is a female high-school student who was suddenly summoned to another world during her spring break. She was sent to a ruined world called “Evelier” by an existence named Fate. The knight whom Hibiki saved, Louie, is its only survivor, and he intends to fight alongside Hibiki, but…!?