Vampire Dormitory

Mito Yamamoto, a young woman, faces financial struggles and loneliness after losing her job. At a local cafe, she meets Ruka Saotome, a vampire who saves her from an accidental fall and reveals his true nature. Due to some unknown reason, Ruka can't consume blood from just any woman, and he proposes a deal: Mito becomes his thrall in exchange for a place to live and affection, and in turn, Mito gets a steady income and a warm home. However, Mito's secret - she's actually a girl - complicates her relationship with Ruka.