Sonohara Yuna

Shinohara Yuna is a vampire traveling across Japan together with Shizuha. Haughty, calculating, and sinister, she seeks to make the most of her eternal life by reveling in her vampiric nature.

She sees humans as mere pawns, never hesitating to suck their blood and bend them to her will if she believes it will suit her ends. The only person she truly seems to hold dear is Shizuha, with whom she shares an intimate relationship. She does, however, find Shizuha's passive nature and adamant refusal to drink human blood to be bothersome.

"You should be a little more dignified about this. We're vampires, dear. We're not like those ordinary humans. We're a stronger, ageless, more elegant existence."