Rougai Level: Isekai Tensei Shitara Tenchuu Shihoudai

Kato was a beleaguered salaryman enduring relentless abuse at the hands of his superior. His suffering reached a violent end when his tyrannical boss pushed him directly into the path of an oncoming train. However, death was not the conclusion of his story. Instead, Kato opened his eyes to discover he had been reincarnated into a fantastical new world, reborn under the name Cain with a second chance at life and a highly unusual gift. In this unfamiliar realm, Cain possesses a unique and formidable ability: with a single glance, he can instantly identify elderly troublemakers and accurately assess their respective threat levels. Armed with this extraordinary power, he dedicates his new existence to a singular, uncompromising mission. Determined to bring order to his surroundings, Cain sets out to systematically hunt down and eliminate every dangerous elder who disrupts the peace of this fantasy world.