X-eins is a 19-year-old special agent and captain from the Dorssian Military Pact Federation. Calm and thoughtful, he values friendship and loyalty, and is especially grateful to Cain Dressel, the instructor who once saved his life. X-eins is skilled at making battle plans and analyzing enemy machines. He pilots a blue Ideale and is easily recognized by his glasses and blue hair. X-eins faces many challenges, including betrayal among his companions and being targeted by powerful enemies called the Magius. Despite hardships and tough choices, he bravely fights until the very end, always holding on to his ideals and respect for his friends.
X-eins is 183 cm tall.
He has blue hair and wears glasses.
He usually wears his military uniform and is seen with a calm expression.
He is calm and collected even in dangerous situations.
X-eins always values manners, mentioning that he never forgets to be polite no matter what.
He deeply cares about his teammates and holds friendship as something important.
Compared to his more emotional companions, he often acts as the one to keep them in check.
X-eins is a captain in the Dorssian Military Pact Federation.
He belongs to the special agency called the Karlstein Agency.
He is the same age and joined the ranks at the same time as H-neun.
X-eins and H-neun owe their lives to their instructor, Cain Dressel, whom X-eins deeply respects and calls "Lord Cain."
The lessons Cain gave him, especially about protecting friends and oneself, became central to his way of life.
X-eins is great at gathering and analyzing information.
He can understand enemy weapons quickly. For example, he studied the Valvrave units and planned distant attacks to counter their close-range power.
He is not as quick as L-ELF when it comes to predictions, but his battle plans and strategies are still strong.
He is chosen to pilot the new Dorssian weapon, the Kirschbaum, and achieves big results in battles.
Cain Dressel: X-eins admires Cain deeply and feels thankful for being saved by him.
H-neun: X-eins is close friends with H-neun. They joined the army together and have a strong bond.
A-drei and L-ELF: X-eins teams up with them later to uncover the secrets of the Magius.
“I never forget good manners, no matter the situation.”
Beginning as an Agent
X-eins follows orders from the Dorssian Military Pact Federation and works closely with Cain Dressel.
He joins the secret operation to infiltrate Sakimori Academy with L-ELF.
Battle and Analysis
In battle, X-eins uses strategy and understands the enemy's strengths and weaknesses.
He commands a blue Ideale and leads long-range attacks, especially against the Valvrave fighting units.
He is chosen as the test pilot for the new Kirschbaum robot, and during the first mission, he destroys Valvrave Unit III.
The House of No Return
After the Kirschbaum mission, X-eins is called to the "House of No Return" by Cain.
There, he finds H-neun's gun and blood and is told that H-neun betrayed them.
In truth, X-eins has been selected as a vessel for the Magius, beings who need new bodies, and H-neun tries to save him by interrupting the ritual.
H-neun dies during this incident.
Discovery and Revenge
X-eins receives H-neun's blue earring as a keepsake.
He later realizes the earring recorded everything from the House of No Return, including conversations between H-neun, Cain, and Amadeus K. Dorssia.
At the same time, the world learns the truth about the Valvrave pilots.
X-eins starts to doubt Cain for the first time.
Final Alliance and Confrontation
He joins up with A-drei and L-ELF to expose the Magius who are hiding within Dorssia.
X-eins faces Cain, whose body is now controlled by a Magius, but X-eins does not know this at first.
Final Battle
X-eins bravely launches a desperate attack on Cain’s Dainsleif unit, destroying its left arm.
Thinking about H-neun, X-eins is finally defeated.
His machine explodes and he dies, sinking to the bottom of Module 77's ocean.
X-eins values the lesson: "Never give your back to a friend. Become strong enough to protect both your back and your friends."
His skills lie in data analysis and clear thinking, but he isn’t as fast as L-ELF when it comes to quick predictions.
Even in defeat, his loyalty and kindness stand out.
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