Doing a joint one so I can keep the forum a little cleaner. I'm not really up for digging through the archives at just this moment, and I'm sure I'll miss something, so feel free to be a helpful cataloger of things and post a link in a reply here or via PM and I'll update accordingly.

Sayuri Saito
Sanity Check - viewtopic.php?p=156759#p156759 - (solo short fiction) Sayuri spends some time under Miss Steel's care and comes out noticeably saner for her troubles.
Vacation - viewtopic.php?f=5&t=8374&p=160925#p160925 - (solo short fiction) Sayuri finds that some of the things a monster can require of you aren't so bad.

Miss Steel

Chris Davis
Open Door Policy - http://www.shokushu.com/forum/viewtopic.php?f=18&t=8355 - (Dr. Steiner) Chris wants access to the student intake interviews for a research project, and has finally found someone who can get her that access! But what price will the enigmatic Doctor require?
The Turtle's Dilemma - http://www.shokushu.com/forum/viewtopic.php?f=17&t=8347 - (Vera) Chris finds herself in a situation she always figured would go better for her: helpless, bent over, and naked in front of a cruel femme.
Degrees of Separation - http://www.shokushu.com/forum/viewtopic.php?f=12&t=8309 - (Kite-san) A political argument in the common room starts the fires of two grad students just looking for something to take the edge off. And, of course, then rapidly devolves into bondage and sex.