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: Magical Canan is a Japanese adult visual novel developed and published by Terios. It was later adapted into two erotic OVA series and a 13-episode anime television series. Both OVA series were previously licensed for distribution in North America by NuTech Digital in 2004. Wikipedia