Mangas

In the fall of 1966, tensions run high on the U.S. Air Force base in Japan on the eve of the Vietnam War. After a series of suspicious suicides in a nearby town, an additional threat has infiltrated the military compound - vampires. A covert team of government agents committed to the elimination of vampires dispatch a mysterious young woman named Saya who, in the guise of a schoolgirl, must uncover the origin of the demonic plague, eliminate the ghastly beasts and stop their reign of terror before time runs out. She is the last remaining original. taken from manga.com
ブラッド ザ・ラストヴァンパイア 2000 -  Blood The Last Vampire 2002
From Viz: The immortal Saya returns--a generation later, but still clad in her trademark sailor suit and armed with ancient samurai sword--continuing her holy war against the vampiric Chiropterans.
恋人プレイ, Koibito Purei
Okuno Ryouko and Saeki are quiet normal students. But only at the surface. At university, they both feel out of place; so, Okuno visits a S&M club after classes. Saeki happens to visit this club as well; rather than participating in the activities like Okuno, he is there to play music. When they both meet there, they seem somewhat attracted to each other. But will this attraction last, when they come to know about each other better? Will love be able to bloom?
Toukyou Akazukin -  Tokyo Red Riding Hood
In the urban city of Tokyo, there exists a defiled world full of lecherous fiends. Living amongst them is Akazukin (Red Riding Hood), a little girl with a strange persona and an even stranger desire: to be eaten by Mr. Wolf. WARNING: This manga is suitable for an adult audience due to its sexually and gory explict theme.