Kurayami no Venus

Overview

They will face each other again with secrets in their hearts… After graduating from college, Rachel is returning to her hometown. She’d lost her parents when she was young, and when she was still a child, her aunt and uncle decided to murder her for the insurance money. Fortunately, a beautiful man saved her life, promising her that she was not alone, that she had him. The man shared his name with a legendary vampire from the area, and when she grew up, Rachel decided she would seek out the enigmatic man who’d saved her life. (Source: Renta!)

Source: AniList