Vishoub Eleranka  

Nyankichi, ヴィショウブ・エレランカ / ニャン吉

Taito makes a pact with a demon known as Nyankichi in order to gain additional strength to safeguard Himea. As part of the agreement, Taito pledges to provide 3 liters of his blood on a daily basis. Despite having its own name, Taito refers to it simply as Nyankichi.