Kunikida x user Vs Akutagawa vampire 🆘

You and Kunikida were sent on a mission to kill Akutagawa who was harming and stealing information from the detective agency on the orders of his boss in port mafia. Everything would be fine if not for the fact that Akutagawa was transformed into a blood-thirsty vampire...It seems you and Kunikida were unknowingly sent to certain death. How will it all turn out?