David Zahler

Captain of the exclusive temple knights' guard.

While on a mission to guard Aiko, he fell in love with her along with other knights and made advances. He has a strong faith in the Holy Church and a strong discriminatory attitude towards demi-humans.

When he met Hajime and others in the town of Ur, he insulted Shia and took hostile actions, which led to Hajime attacking and knocking him out.

After the battle in the town of Ur, he became suspicious of Aiko's disappearance and, along with other knights, repeatedly protested to the church's higher-ups and conducted his own search. This led to him being banned from entering the headquarters and eventually being detained and imprisoned somewhere. However, this saved him from being involved in the battle at Kamiyama. He was shocked to learn that the destruction of the headquarters was Aiko's doing, but in the end, his feelings for Aiko prevailed, and he sided with her.