Boku no Natsuyasumi 2: Umi no Bouken-hen (ぼくのなつやすみ2海の冒険篇, lit. My Summer Vacation 2: Sea Adventure Chapter ) is a video game developed by Millennium Kitchen and published by Sony Computer Entertainment for the PlayStation 2. It is part of the popular Boku no Natsuyasumi series and was released in Japan on July 11, 2002. It is an alternate universe sequel in which the main character spends his summer in a different part of Japan from the first game. It takes place during the same summer with many of the same characters, but in a different location, a town on Japan s southern coast. A PlayStation Portable version was released on June 24, 2010.