[DSOD-037] A week of watching helplessly as a delicate girl is held captive by the yakuza and falls into a world of drug-fueled orgies. Sasakura Aya

Had a look for a plot here

Apparently, the bad guys claimed that Aya had been held by them as collateral for a debt but had run away.

And apparently the bad guys also explained that if Aya could endure a week of “dr*g-fueled sex training,” they would let both go…

The Saran Wrap seemed new. Don’t remember seeing it used like that before.