I remember the plot of you manga but don't know the name

It revolves around a prostitute uke momentarily sneaking out of the place with a mask and a pianist. Uke gradually falls in love with the seme but at the moment the wife of pianist comes back and give a fake letter to uke in name of seme, then uke sneaks of the hell hole prostitution place with bg help to meet seme even though he knows the if he sneaks out again they will kill him and cliff hanger (Obv seme doesn't know) it's been years I forgot the manga I want to see if it has updates