Mahiru Seki

Mahiru Seki is a side character in Call of the Night. He's the childhood friend of Kou Yamori and Akira Asai, and is in love with the vampire Kiku Hoshimi, wanting her to turn him into a vampire as well.

Etymology

 * The name Mahiru means "midday" (真昼).
 * Mahiru's surname Seki means "evening" (夕).