Polygon Love 2 is a 3D game where the main character is allowed to dress up a childhood friend who acts as his little sister. Includes clothing from popular K-on, Suzumiya Haruhi, Vocaloids, and more.
Polygon Love 2 aka ポリゴンラブ2 is a 3D erotic/life simulation game developed by Purple Heart for the PC
The player assumes the role of a young male involved into a certain amount of different social actions with his little sister. While the game itself is in Japanese, a fan created English patch is available that converts some of the written Japanese into English. Apart from this patch, there are many other mods and patches, made by fans. They remove censorship, add new clothes and new models for girls.