Seinaru Kishi no Ankokudou

Sain Forth is a celebrated Holy Knight who chooses to leave his position and travel to a foreign kingdom’s academy, accompanied by his assistant Melia. There, he faces rejection due to his refusal to wear the standard uniform, opting instead for a black one. He befriends Alicia, a member of the Clan of Light who can only use fire magic. They decide to explore a labyrinth beneath the school, seeking a holy sword. However, Sain is more interested in finding a doom sword to become a Dark Knight. Despite his ambitions, he is unable to use dark magic at all.