V.I.R.T.U.E.S. What-If scenario#2 -- The Lesson

The theme of this scenario is designed by REDON (a patron).
This scenario happens in a parallel world that has nothing to do with the main story.
Theme: Irene, Uno, harem, no NTR, lesbian, bondage, sex toy, mild rape, threesome, comedy.
Background: REDON has already have all the girls in his harem.

[From the game itself]