Akashic Records ~Sakura no Ikusabako~

The tiny island was shrouded in white mist. Its existence was known to precious few, its location hidden. On the island there was a vast store of information... ... the Akashic Records. Kousuke Mizuhara was on a long school trip one spring. On the last day of sightseeing he was on a ferry which, instead of taking him to the mainland, was enveloped in white mist. He and the other students arrived somewhere... and were greeted by a beautiful young girl. "Welcome everyone, to Kokujima." A mystery novel game. (from dlsite.com)