The Vampire's Bride: A bride who gets married to vampdoll

The era is Meiji. Sana Shirafuji, who lost her grandmother and is left alone in the world, knocks on the military's door to become a "Bride Thorn" to make a living. A "Bride Thorn" is a "ration" for girls known as "Vampdolls", who are specialized in combat. Unaware of this, Sana accepts the military contract out of desperation. On her first day of enlistment, she meets Yukine Hanafusa, a beautiful yet disdainful Vampdoll. Born into a noble family, yet cursed from birth as a Vampdoll, Yukine is persecuted and reviled as a “monster.” Shunned even by her own family, she loathes her bloodt(Storyline via IGDB)