Kazuki the vampire comes to Japan to suck the extract. However, he falls in love with one man. Three years ago, he sucked the blood of his beloved to death. When she thinks about it, she becomes timid when it comes to love with her next partner. When she drank his semen, she found that it contained the same ingredients as the extract, so she didn't have to drink human blood anymore! And became an AV gal.
