When in elementary school, his first love and childhood friend had promised to marry him. However, during the summer of his third year in middle school, he saw that same girl riding a delinquent upperclassman's bike. Unable to say anything, he no longer wanted to attend school and immersed himself in net gaming.
As Kazuma gradually cut down his sleeping time and focused his efforts to exterminate monsters all the time in games, people who knew his name became fewer and fewer. One day after going outside, he died attempting to save a girl from being hit by an oncoming truck. The truck was, in fact, a slow-moving tractor, but thinking that he was run over, Kazuma died from shock.
Once in the afterlife he met Aqua and, annoyed by her attitude, brought her with him to Axel. After unintentionally recruiting Megumin and Darkness, Kazuma eventually became one of the most famous adventurers in Axel. His party defeated Beldia and was essential in the defeat of the Destroyer, but the reward they received was offset by the massive debt incurred due to the collateral damage.
After encountering and defeating Vanir, Kazuma made a deal with the Devil to sell his knowledge of modern technology. Though there were setbacks, Kazuma eventually became the richest adventurer in Axel from this arrangement.
Kazuma continued, often against his will, to defeat multiple of the Demon King's Generals and High Bounty Targets, gaining fame as well as a reputation for trickery and scumminess. After being invited to the capital, Kazuma began to act and be treated as the older brother of Iris. He later formed the Silver Haired Thieving Group with Chris, who's main goal was the retrieval and sealing of Divine Relics (cheats leftover by dead Japanese adventurers).
With the help of Vanir, Wiz, and many adventurers in town, Kazuma abused his adventurer class to learn a wide variety of skills which he used in the assault on the Demon King's Castle.
Abilities