Mars red 3

Mars red 3 – The vampire soldiers in Special Unit 16 have faced down many monsters, but now they are up against the mysterious Defrott, a powerful vamp who looks like a young boy. When they face off against him, Kurusu and his brothers-in-arms discover that there might be an even bigger threat behind the scenes, one that makes them question their very existence! All will be revealed in the grand finale of Mars Red!

Final volume of an awesome historical vampire manga!