百夜孤児院２人目の生き残りで、優一郎の親友。吸血鬼都市脱出の際に死んだと思われていたが、吸血鬼となり生存していた。人間に利用されている優一郎を救出すべく戦う。
Mikaela is the 2nd remaining survivor of the Hyakuya Orphanage, and best friend of Yuichiro. He was thought to have died when escaping from the city of vampire, but was alive and turned into a vampire. He fights to rescue Yuichiro who is being used by humans.
