I Asked for Milk on the Street and Was Fed Blood by My Vampire Sister.

[Single female protagonist + vampire princess + sister-brother relationship + sweet story + passion] At the beginning of the collapse, Lu Chenyuan, who was reborn in the ice and snow, huddled up and shivered. Good news: The white-haired girl Su Xiaoyan picked her up and took her home, and she survived for the time being. Bad news: She is a vampire, and she has a vampire mother at home. If she discovers her existence, she will suck her into dried meat and die immediately. Daily mission: Disguise yourself as a high-level vampire and go to the Vampire School. Lu Chenyuan accidentally became a vampire hunter apprentice: "I'm such a hunter!" A group of beautiful vampire girls said: "Sir, you are joking again. We want to be sucked by you, but we will not tell Mrs. Su~" Vampire Princess Aretha: "Brother, you are teasing me again, I want to listen at the bedside~"