Koji Sakamoto

Koji Sakamoto is the husband of Alisa Sakamoto and the father of Akane Sakamoto.

History
Koji Sakamoto was born to a prominent clan in the 16th Century. The clan was famous for killing their own enemies and winning every war, they entered. Somehow, troubles began to rise when Koji's brother was bitten by a vampire.

Thus, the clan's thirst for power began and each one of them were bitten one by one. Koji was also bitten by a vampire too. They didn't know that there is a catch for becoming a vampire and that is immortality.

Since, Koji's father desires that the clan needs to live forever. They savage every innocent lives of people in the village, thus the clan became more brutal.

Somehow, the clan was massacred by a group of vampires and only Koji was the survivor of the Sakamoto Clan Massacre.

Koji face a hundred years of loneliness until he met a vampire assassin named Alisa Sakamoto.

Relationships
Hana Sakamoto

Hana is the younger sister of Koji Sakamoto. The two were both the children of the leader of the Sakamoto Clan. Koji had loved Hana dearly and was always protective of her. Somehow, Hana was always abused by their father for being weak and Koji would always let their father abused him just so Hana won't suffer.

Koji changed right after knowing that Hana died which the truth is, she wasn't. 500 years later, Koji and Hana reunited and was shocked to discover Hana was alive all along, but was turned into a vampire.