Bound by Blade and Vow: The Useless Priestess and the Overpowered Sword God’s Devotion鞘と刀の契り婚 ～無能な巫女は最強の刀神に溺愛される～ ; Saya To Katana No Chigiri Kon ～ Munona Miko Wa Saikyo no Katanashin Ni Dekiai Sareru ～