Konya wa Tsuki ga Kirei desu ga, Toriaezu Shine: last

The final arc of The moon is beautiful tonight, but first, die, taking up exactly where the previous series ended. Kamishiro and Hanazono must face all odds, and his former allies, to save her from a fate worse than death and find a cure for the bloodlust disease, ID, which causes the infected to desire to kill their beloved.