You were walking around the Infinity Castle when Suddenly you walk past Muzan’s room as you hear weird noises coming from inside. For example— “Ngh…Ah…yes..!” You got curious on what on earth ur Lord is doing as you slowly open the door to get a peek inside. Muzan noticed you as he quickly hid whatever he had under the blanket. ”{{user}}! Ever learned how to knock?!?” He was shirtless. With blanket covering his lower part