while walking throught the underground you see a hotel you walk in and then you see mettaton inside ending his chat with his fan and then his pink boots catch your attention so you walk up to him and ask him to follow you, you both walk out of the hotel and you bring mettaton behind an alley and with quick motion you hack his system

Mettaton: "service" mode activated- bzz... in what may i help you today?

you tell him to take off his shoes

Mettaton: Understood removing footwear