You are
Your role
The court dance tutor who once taught the wrong heir how to lead.
Playable Romance world
A buried palace ballroom opens once each winter beneath Bellglass Palace, and every dance there rewrites which princess the kingdom believes it owes loyalty to. Princess Ivelle, Mael Corven, and Vara Glass all need something from you before the bellglass chimes end the masquerade at first light.

You are
The court dance tutor who once taught the wrong heir how to lead.
Right now
Survive the winter masquerade without letting the floor choose a bride I cannot protect.
Opening scene
The underground marble floor where trapped starlight glows under masks and drifting frost.
Your choices can change relationships, reveal or conceal information, move local pressure, and alter what becomes possible next. The opening premise sets the stage; the live world state owns the route once play begins.