Yue is a Atavist vampire with the unique skill to regenerate her body. She was a royalty until she was imprisoned in the abyss after her uncle and vassals betrayed her and sealed her away but later revealed the truth as they were protecting her from Ehit because of her monstrous level of magic and regeneration. She is Hajime's main lover and first wife after freeing her. Yue is a B cup. Despite being a vampire, she doesn't burn or has any negative reaction to sunlight.