Kochira Toubatsu Quest Assen Madoguchi

A boy who was reincarnated into another world from the current time, Noa. As the last remaining person in his family, he steadily accumulated knowledge of the world under the guidance of the Arubion Kingdom Noble family. Unaware of everybody's expectations of him, the path he chose, was to become a guild staff. With the skill to identify anybody's skill, and with the business smile he cultivated in his former life as a weapon, he became the window staff mediator for subjugation quests. Showing no favoritism between the beast race nor nobility, Noa become more idolized than anybody, and as the people he mediated for returned safety, he received good evaluations and gained a tremendous amount of trust from adventurers and mercenaries. Finding out about monster information faster than anyone, and guiding adventurers, this ability was made possible by a certain secret of his. Source: MAL