The o-Man is an NPC that can be found in the Mall's waiting room, sitting silently in the leftmost room. He looks like a purple "O" or "θ" with a single red eye on the center, with a long purple coat. Interacting with him causes him to show you that his hands are empty before revealing a flute from within his sleeve, pulling it out and handing it to Madotsuki, giving her the Flute Effect. This can then be used to interact with the e-Man to the right. He also, supposedly inadvertently, locks the exit to the Mall's waiting room.