While many fans seek an English patch for To Love Ru: Doki Doki! Rinkai Gakkou-hen (released in 2008 for the PSP), no complete English translation patch currently exists for this specific title.
Your search for a downloadable "English patch" will not yield a working file. The file does not exist in the public domain. To experience the game, you must either play it in Japanese or watch a subtitled video playthrough on YouTube. to love ru doki doki rinkai gakkou hen english patch google
However, there are partial solutions: