Boku no Natsuyasumi 3 - Kitaguni-hen - Chiisana Boku no Oukusabara © 2007 Sony Computer Ent., Inc.
GAME ID: BCJS-30010
Released on July 05, 2007 in Japan.
Re-releases:
[JP] "Boku no Natsuyasumi 3 - Kitaguni-hen - Chiisana Boku no Oukusabara [Model BCJS-70003]"
See Goodies section.