Klaus is the main character and leader of the group Lamplight in "Spy Classroom." He calls himself the "World's Strongest Spy" and is known for his amazing skills and calm attitude, especially in dangerous combat situations. Klaus has a past full of pain and survival in a war-torn slum, which shaped him into a top spy but left him with a weakness for teaching others. The most eye-catching thing about Klaus is his natural genius and how he solves problems by feeling instead of thinking, making him both mysterious and impressive.
Klaus is a tall young man with long hair and a neat, handsome look.
He is 183 cm tall and often appears more mature than his real age.
He is 20 years old and was born on July 11th.
Klaus is the boss of Lamplight, acting cool and calm all the time.
He often says, “Exquisite.”
He does everything with a sense of intuition, finishing hard jobs almost by instinct.
Klaus is very kind to his team but always stays professional.
He rarely shows much emotion, even in awkward situations.
He struggles with teaching others what he knows, as he can’t really explain things easily.
People sometimes call him a “teacher who can’t teach.”
Klaus is super skilled in all kinds of spy techniques.
His body abilities are so high, he can even block bullets from close range with a knife.
He is called the “World’s Strongest Spy.”
Every day, the girls of Lamplight try to catch him with traps, but he avoids all of them with ease.
He learns from every opponent and makes their moves part of his own style.
He is also very good at things like painting and cooking.
Klaus was taken in by Guido as a child and became part of the spy team called Inferno.
Veronika was like a mother to him, teaching him life lessons as well as spy skills.
He got his early life skills like cooking and cleaning from Haiji.
He has a professional, caring attitude towards the girls in Lamplight.
“Exquisite.”
“How long do I have to play this game?”
“It’s time to fall to dust.”
Childhood and Nickname “King of Dust”
Klaus grew up as a war orphan in a slum, stealing food from gangs just to survive.
He became feared and admired by other orphans, earning the nickname “King of Dust” because he ruled the ruins alone.
People said he was so scary, you would die if you met his eyes.
Meeting Guido and Becoming a Spy
One day, Klaus was found by his soon-to-be mentor, Guido.
Guido saw through his disguise and took him in as a member of Inferno.
Klaus moved into the palace called Kagerou Palace, but at first, he couldn’t fit in.
He kept sneaking food and sleeping on the roof instead of the bed.
Learning Life and Spy Skills
Haiji taught him things like cooking, cleaning, and how to live like a person.
Veronika taught him both spy skills and how to be a good person.
He completed dangerous missions, taking down gang members all by himself.
After seeing Guido’s strength, Klaus became inspired and joined training seriously for the first time.
Gaining More Skills
He learned how to survive from Gerde and how not to die.
From Lucas and Ville, the twin brothers, he learned how to solve problems without fighting and how to read people just from looking at them.
These lessons made Klaus more than just a fighter; he became a true top-level spy.
Facing Danger and Sacrifice
During one mission, he protected Haiji from a magician named Nathan and even got his right hand stabbed.
Afterward, Haiji trusted Klaus enough to share secrets privately.
This led Klaus to new parts of his life and missions with other Lamplight members.
Inferno’s Downfall and A Turning Point
A plan called the “Dawn Project” caused Inferno to slowly break apart from the inside.
Guido betrayed the team, and the brothers followed their own paths.
Klaus was sent on a solo mission in the Kingdom of Byumal.
There, he had to make tough choices, like letting a prisoner family die.
He became sick with a strange disease but fought through, determined not to let others down.
Reaching the Top
Klaus used all the skills he learned from Inferno to survive.
He mastered tricks about fooling enemies, making hard choices, and staying alive.
Everything he became was thanks to lessons from the people of Inferno.
Klaus’s code name is “Kagari.”
He is very good at painting, both oil and watercolor.
Even though he is great at many things, he is really bad at teaching and explaining things to others.
Klaus was ranked 35th and 16th in the “This Light Novel is Amazing!” male character rankings in 2021 and 2022.
Theauthor says Klaus is the main character of the story.
He is good at being friendly but acts serious most of the time.
Klaus always seems to do things naturally, no matter how hard they are.
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