Excavated from ruins all across the globe, Drag-rides are giant robotic weapons that have been excavated and are now used to fight. Drag-Knights are those who fight with these Drag-Rides. Lux used to be the strongest Drag-knight in the world, but something changed and now he is the weakest. He doesn’t fight back so he fell in rank. He is now referred to as the “weakest undefeated”

After his drag-ride duel ends with Liseharte, he somehow is now attending the all-girl school. Not only is this an all-girl school, this is the school where upper class children and children of nobles are sent to train to become Knights! What has he gotten into?!?

Lux Arcadia

Voice Actor: Mutsumi Tamura

Lux is a former prince of the Arcadia kingdom that was ruined by a coup d’etat. Now he is considered to be a criminal living in the new kingdom of Atismata. He is a contracted handyman taking different jobs here and there for the people. He takes these jobs willingly and cheerfully. He has great power to command a drag-ride and in the capital tournament currently being held, he has been labeled as the "weakest undefeated dragon knight."

Lisesharte Atsimata

Voice Actor: Lynn

Lisesharte is the princess of the Atismata Kingdom and is nicknamed "Lisha." She uses the red drag-ride Tiamat and is an unparalleled Dragon Knight in the academy. She is regarded as a genius when it comes to her unique techniques.

Krulcifer Einfolk

Voice Actor: Yukiyo Fujii

Krulcifer is from a large country to the north. She is studying abroad from the country Yumil. Krulcifer conducts Fafnir as her drag-ride. She is unfortunately more obsessed with her looks than her high ability as a drag-knight as she is ranked #1 in beauty across the school.

Celistia Ralgris

Voice Actor: Risa Taneda

Celistia is a third year student who is the leader of the Chevalier. She is said to be the top dragon night in the school and she commands the drag-ride Lindworm. She is a member of one of the four large noble families. Celisti is the daughter of Duke Lelugues. She is famous for hating men and her nickname is Alice.

Philuffy Aingram

Voice Actor: Yurika Kubo

Philuffy is the second daughter of the Eingraham plutocrats and her childhood friend is Lux. Her sister is the head of the school Leli. She commands the drag-ride Typhon. She is a bit vague when she speeks and she tends to space out a lot. She calls Lux, “luu-chan” and she refers to herself as “fii-chan” frequently.

Airi Arcadia

Voice Actor: Ari Ozawa

Airi is the only surviving sibling of Lux from their former kingdom. She is considered a criminal much like Lux is. She has a contract to be in the new kingdom of Atismata. When it comes to Lux, she comes off as very strict, but in reality, it’s all for him.