Kyuuketsu Senki Vjedogonia  

Vampirdzhija Vjedogonia, 吸血殲鬼ヴェドゴニア

The protagonist encounters a stunning woman in need while attempting to assist her; however, she bites him. It is later revealed that she is a vampire. Now, he must transform into one as well unless he can locate and eliminate her first. He subsequently teams up with a group of individuals who specialize in hunting vampires.