Adventure Kid

Adventure Kid (アドベンチャーKID) is an erotic manga series by Toshio Maeda, which was adapted into a 1993 original video animation (OVA). In one VHS release the alternate name Adventure Duo was used because it was believed parents might buy it for their children by mistake without realising the explicit violent sexual content and scenes of tentacle rape. Both the manga and OVA series are licensed in North America by Central Park Media, through their Anime 18 and Manga 18 divisions.

Plot
Episode 1: A young man named Norikazu finds a computer from World War II buried in his back garden. When he activates it, he and a girl named Midori are transported to Hell where erotic creatures and monsters of different kinds live. They meet some friends including a sexy elf woman named Eganko who falls in love with Norikazu, and a perverted monster prince who is soon enslaved by Midori. With the help of their new friends the pair try to make the dangerous journey back home.

Episode 2: Having made their way back home the adventure duo find the world they knew is gone, and is now ruled by the demonic computer which first sent them to Hell. They inexplicably travel back in time to World War II Japan in an attempt to stop the world from being changed. In doing so they witness the atomic bomb being dropped on Hiroshima, and there is an appearance of the Enola Gay, as well as numerous symbols of Japanese culture at the time.

Episode 3: This episode has a humorous love-quadrangle plot in which Eganko comes up with a plan to make Norikazu fall in love with her with a love potion, whilst simultaneously making Midori fall in love with an egotistical young man from her school. Unsurprisingly their plan backfires when the love potions are mixed up and in the end everyone gets what they deserve.