Eguchi Masaomi is a Chief Supervisor (Shunin Labor Standards Inspector) of the 4th Sector at the Shimamoto Labor Standards Inspection Office. He enforces labor safety and health laws through on-site inspections. He wears a full harness, helmet, safety boots, and carries an inspection bag with legal handbooks, a camera, a calculator, and other tools. While inspecting a construction site with a junior colleague, he falls from the 13th floor after pushing Saito to safety and wakes up in a fantasy world. He maintains a calm, analytical mindset, believing in safety first. He explains his role to the locals, attempting to apply his professional knowledge to assess workplaces. His past includes handling crane collapses, fatal accidents, and fires. He is dedicated, methodical, and socially awkward, focusing on his work and protecting laborers.