Strike the Blood fanservice compilation

Humanity has made with the demonic forces unbreakable peace Treaty, which on behalf of evil and the undead assured three True Ancestor, the highest princes of vampires. Only a few people know that there is a Fourth Ancestor, the strongest vampire in history, and it is quite a narrow circle know what it is, whether by fate, or by his own Caprice, recently gave his spirit and power Japanese high school student Kaze the akatsuki. The guy in an instant become a threat to the world equilibrium and, knowing this, struggles to lead a normal life, not opening up any old friends or little sister Nagisa. Tries-he tries, but who would believe this?!