If you want, I can search the web now and return a detailed source-backed report (synopsis, creator, release date, download/purchase links).
Unlike home console ports which are played on a shared TV in a living room, the PSP version is insular. It belongs to the player alone. This privacy is essential for a story about a protagonist who retreats into a digital world to find meaning. The narrative beats—ranging from comedic net-game banter to psychological thriller elements—are delivered with a pacing that suits the "pick up and play" nature of the handheld, yet demands long sessions to unravel the truth behind the unseen girlfriend.
Unlike digital-heavy PC releases, the portable version received a limited physical UMD (Universal Media Disc) run. Estimates suggest only were manufactured. It was a "mail-order exclusive" sold through the now-defunct DMM.com physical store. Most copies were destroyed during Sony’s 2016 UMD discontinuation purge.
He knows she exists. He knows she attends his school. However, whenever he looks at her, his mind refuses to process her face—she appears as a blur or he simply cannot recognize her features. This sets the stage for the central mystery: the protagonist must identify his savior and potential lover not by her appearance, but by her voice, her mannerisms, and her personality.
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"At last, I saw her. And she was colored."