Rosen Blood, Volume 2 (Rosen Blood #5.5-10)

Yearning leads to danger when mansion resident Levi starves himself for Stella's sake. To save him, Stella must journey into his soul while he's unconscious and confront the nun Luchia's grasp on his past. Then, even wakefulness may bring no reprieve from nightmares when another nonhuman, Friedrich, reveals a horrifying secret...