They later began taking commissions, paid requests from people who wanted to see them dressed as certain characters.
These can be made out of lace, or simply incorporate lace strips and design elements among other materials such as cotton, silk and satin.
The voice acting and the sound of the ropes stretching makes it even more enjoyable.
And even if you don't consider yourself someone who's "into" BDSM, you can still incorporate any of these devices into your sex life to from time to time.
Kurumi wears a pair of tasteful light-blue panties which look really good one her.