Flowers in Both Arms, Swords in Both Hands: When I Fell Seriously In Love with the Heroines of a Mecha Game, My Whole World Changed

Native title: 世界最強の騎士は、必ず死ぬヒロイ ンを救うため異世界でも最強の騎士 となる〜両手に花を、両手に剣を〜