This is one of those Japanese flicks or even franchise that is highly sought. The reason is that it was based on a manga. The story of the rapeman is a bit sleazy.
A teacher and his uncle do run a business where you can use the services to punish someone by raping. The teacher (Hiroyuki Okita) is a normal guy at day but becomes a nasty one who go out to rape girls for punishment. But don't think that it ever becomes gory or explicit. It do has some nudity in it but not to mention. No drip of blood is seen in this 74 minute flick. By clocking in at that time it's over before you know it. It's watchable because the acting isn't typical exaggerated as in so many flicks coming from Japan or Hong Kong.
The version I had was an official VHS release with English subs, a version that doesn't pop up on a usual base. The other parts (until 4) are even harder to get on an official release (on the pink pineapple label). Even as it is low on brutality or blood and nudity it is watchable because they combined a small piece of comedy in it. The sleazy pieces do add something too. Low for a 'pinku' but recommendable.
The franchise did got a spin-off after 1996, they made Ôedo Reipuman (1996). Evene harder to get. But both franchises came to an abrupt end due the death of Hiroyuki Okita in 1999. He committed suicide by hanging himself at his residence.
Gore 0/5 Nudity 1/5 Effects 0/5 Story 3/5 Comedy 1/5