First release date: January 27, 2011
Franchises: Oreimo
Platforms: PlayStation Portable
Genres/Themes: Adventure - Visual Novel - Comedy - Romance
Developers: Banpresto, guyzware
Publishers: Namco Bandai Games
Ore no Imouto Maker EX: Imouto to Koi Shiyo? Portable is a short visual novel that comes bundled with Ore no Imouto ga Konnani Kawaii Wake ga Nai Portable.
