Let me explain why you should be playing this game right now… That is why you should be playing this game right now. You can download the english patch here, the patch translates common route + Kuroneko route, this is for Disc 1 of Oreimo Tsuzuku! You need to have a PSP with custom firmware to run this game.
Download the game here: [nyaa.eu]
It should come in two .ISO files. Apply the patch to the first disc.
If the torrent is slow, try searching “俺の妹がこんなに可愛いわけがない ポータブルが続くわけがな iso download” <— put into google without the quotation marks. By the way if you don’t have a CFW PSP, you can watch most of the game translated here on Ziddy’s Youtube Channel.