Kou Yamori

Kou Yamori (コウ) is the protagonist of Call of the Night. He is a human who desires to become a vampire, a task with which he enlists the help of Nazuna Nanakusa.

Appearance
Kou has a slender build and black eyes and hair with a spiky profile.

He normally wears black baggy shorts and a plain white shirt underneath a predominantly black jacket with a white stripe down either sleeve. He wears a pair of white rubber shoes for footwear.

Personality
Kou is friendly, liked by most people, and a showcase student. Although he seems to have enjoyed a satisfying and successful life, Kou longs for other things. He does not like being the center of attention, he is not motivated enough to maintain his good school performance, and he finds it difficult to sympathize with the other students. Kou quickly decides to turn away from school life and live a life as a loner. It is very mature for his age and doesnt seem to be afraid of many things, for example, he roams the nights alone as a 14-year-old without much fear and gets involved with vampires without further doubt, moreover, he has conversations with far more experienced and older people without any problems. His mostly sleepless nights prove to be a big problem for him, he can't sleep at all or only a little, so he has a quite depressed appearance at the beginning. He also desires about becoming a vampire and does not generally understand the concept of love.

Abilities
Half vampire: He can turn into a half vampire. While all the abilities are not clear it has shown to make him faster and stronger as well as becoming more confident. He can't control the ability but it is shown that whenever he sees his blood he turns into a half vampire shown when Nazuna drank his blood and he saw some on his hands, and during his fight against Mahiru in which he had a nosebleed.

Etymology

 * Kou's surname Yamori means "night guard" (夜守).