Dragon Master Silk: Ryuu Shoukan Musume Episode II is an erotic RPG dungeon crawling game. The subtitle says "Episode 2," but there is no "Episode 1" in this series. This game is the first original in the series.
Sword World PC is a role-playing game on PC-98, published on 1992. It is a game that aims to fully reproduce the system of the Sword World RPG, a table-talk RPG, on a computer.
Heroine Tenjin Shima is a manager of the lingerie shop, but on the behind this is a private investigation organization. One day a request is received from the National University to find the professor missing for a week already. All that's known is that professor was interested in excavation of an ancient civilization and searched for a hidden treasure.
The puzzles include a tile-matching memory game and a timed top-down maze sprint (find the exit before the time runs out). In each subsequent area, the difficulty of these puzzles increases, and the amount of clothes the demi-humans wear after a puzzle has been solved decreases.