Plot: Variable Geo, also known as V.G., is a Japanese 2D fighting game / eroge series developed and published by TGL under their Giga brand. Their Giga brand was used for their home computer games while their TGL brand was used for their console games. Wikipedia
Plot: Jewel BEM Hunter Lime is a Japanese PC game released in 1993. It was adapted to a 3-episode OVA released between 1996 and 1997. The OVAs were initially licensed by Media Blasters. It is currently licensed by Sentai Filmworks. Wikipedia
Plot: Aiyoku no Eustia is a Japanese adult visual novel developed by August for Windows and was released on April 28, 2011. Aiyoku no Eustia is August's eighth game, preceded by Fortune Arterial and Yoake Mae yori Ruriiro na: Moonlight Cradle. Wikipedia
Plot: Yotsunoha is a Japanese visual novel developed by Haikuo Soft, and was originally released in Japan as an erotic game on January 27, 2006, for Microsoft Windows. Wikipedia
Plot: Robotics;Notes DaSH, short for Daru the Super Hacker, is a visual novel video game developed by Mages. It is part of the Science Adventure series, and is a sequel to the 2012 game Robotics;Notes. Wikipedia