Shuuen no Hanayome

A mysterious force known as the kihei has taken over the planet, prompting the creation of the Twilight Academy to train students as soldiers in response. Most students do not survive until graduation. During a combat mission, Kou Kaguro’s team is ambushed, and he prepares for death. At the brink, a girl in white arrives and vows to protect him, offering him emotional support and beginning a journey that intertwines their fates in a relationship marked by both affection and sorrow.