I am reborn and become a vampire loli

Introduction: Your Lady Queen, do you want to drink type A blood today?Or blood type B?Or AB blood type?Jiang Jianwen, who was originally an ordinary high school male student, was suddenly hit by a "large truck", the necessary means of transportation for reincarnation. When he woke up, he found that he had a unique system. "Have I become a girl? Still a loli?" Although she has the body of a girl, she has the heart of a man.The world in front of me is no different, but I find that the people around me are either vampires or demons. Fortunately, I have "Goldfinger" to help me, so I have to re-create my own system!