Izuki Nishiyama

Appearance
Izuki has luscious and spiky blonde hair and is very tall compared to the other characters in the series. He's usually only seen in his school uniform, usually only wearing a white dress shirt and grey dress pants.

Personality
Compared most other people, Izuki is rather strange. He has a very close attraction to Ko when it comes to his adorableness as a little kid and he's also a very attractive boy who gets a lot of attention and praise from the women, including the girls in his school.

History
It is not known how long ago before the original story this happened, but at some point, a Vampire named Kyoka kidnapped Izuki's little sister for unknown reasons. Kyoka usually hangs around with Izuki putting up the fake front of being his cousin. It's not known why she kidnapped his siter or what her connection is to the Nishiyama siblings, but Kyoka says that she will only release his sister if he kills Shin Hizuki for her. Izuki complies and stabs Shin, but he doesn't die. At this point, Kyoka has kidnapped Ko and Shin and Izuki successfully get Ko and Izuki's little sister back from Kyoka's clutches.