Himawari No Kyoukai To Nagai Natsuyasumi - Extra Vacation ROM Download for Playstation Portable (PSP). Himawari No Kyoukai To Nagai Natsuyasumi - Extra Vacation game is available to play online and download only on Roms Games. Himawari No Kyoukai To Nagai Natsuyasumi - Extra Vacation ROM for Playstation Portable download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.