Kamyu Titi

Titi is a vampire who was sealed in a cross coffin by a mysterious priest and was told he was a human. When he was unsealed by Kanata, he ends up killing Kanata! But because of the Sequence spell, he and Kanata are bound to each other. Titi and Kanata fights their first demon, or walk, and Titi gains a black cat which he names Lotte after a black cat from a story.