The Goddesses and their sisters take a camping trip to "My Summer Vacation Mountain." When the sisters uncover another dimension at the shrine gates, they meet an older version of Neptune. Will they find their way back home, and, more importantly, are two Neps better than one?
Genres: Animation, Science Fiction
Cast: Rie Tanaka, Yui Horie, Kanako Sakai, Kana Ueda, Mika Kanai, Asami Imai