There a few compilation from apache and atom. Not sure its gangsters but a gang of baddies kidnap or break into a house to force incest? why ? beats me.
Plus size lady with debt "forced" into stepson , but she like it the end i think.
Some honorable old video mentions.
There an semi old JAV of actress Anna Yuki I came across. Can't really remember the story.
Tubby here is the father of anna yuki , decades ago , actor and actresses really can act well. The "good" tubby forced by some bad guy Tubby go crazy Last time drama value of production was high.
I kinda like anna yuki , she reminded me of Nanako Matsushima my crush when i was much younger. (no flame pls!! >.< )
those are some great mentions mate i will check them out the SDDM-164 looks like a good movie i prefer classics movies it feels more real. your crush was hot so i cant judge