Teito no Juliet: Musai no Hanayome ga Shiawase ni Naru made

Synopsis

The power to "Enchant" men, making them fall in love and obey, came at a terrible cost: draining the user's lifespan. Azusa, born into a family with this cursed lineage but lacking the talent herself, vows to eradicate the Enchantment bloodline to save her sister. To achieve this, she enters a strategic marriage with Yukiya, a man who harbors hatred for the Enchantment power, despite their families' bitter rivalry... (Source: Kodansha, translated)