Sienna and the Ball Gag Bandit
Sienna’s arch nemesis is the Ball Gag Bandit. A mysterious villain who leaves their victims bound and gagged with a ball gag. Sienna has a sneaking (pun intended) suspicion that it might be one of her teachers. Here is a selection of renders not specific to any story (yet).

‘R-18’, ‘danger’, ‘peril’, ‘girl’, ‘ballgag’, ‘bondage’, ‘bound’, ‘tied’, ‘tiedup’, ‘gagged’