Lamune (ラムネ, Ramune?, lit. "Lemonade") is a 12-episode Japanese anime series that was adapted from a video game, Lamune ~The Glass Jar that Reflects the Sea~ (ラムネ ～ガラスびんに映る海～, Ramune ~Garasu Bin ni Utsuru Umi~?), created by Neko Neko Software.

Source: Wikipedia