The Weakest (Self-Proclaimed) Salaryman Suddenly Finds Himself Treated Like an S-Rank Adventurer!? ~Relaxed Dungeon Life~

The weakest (self-proclaimed) salaryman, unconsciously, the strongest legend. One spring day. Haru Shiina, a plain office worker working in Tokyo, finds an unfamiliar subway entrance on his way to work. “Was there an exit in a place like this…?” He wonders, but when he wanders in, he finds that it is a dungeon connected to another world. However, he doesn’t notice. Monsters → “Is that a person in a strange costume?” Traps → “That was close! But I managed to avoid it somehow.” Items → “Oh, I found a nice stone. I’ll make it into a paperweight.” Haru is completely unaware that he has “incredible skills” and that he is “already S-rank or higher,” and he takes a leisurely “walk” to con...