[Anime Crossover] The Priest Gives Me Orders

This story involves: □□, vampires, ability users, and the Vatican A great battle between four major factions in Yokohama! Her name is Kristin, and she is a nun. Her true identity is a trainee dispatched operative in the intelligence agency of the Secretariat of State of the Holy See. Because of her ability, "Divine Paradise," her enemies call her the "Bride of God." He is Sawada Tsunayoshi, a Mafia member. It has been five years since he inherited the position of Tenth Boss of the Vongola Family. He has only just returned from a business trip, and his body clock hasn't adjusted yet. Before he can recover, he is attacked by an unknown assailant. A massive conspiracy brings them together. Is this God's guidance, or a demon's summons? CP: □□ Boss x Gun-Toting Nun Theme: