Mizuiro 2003 (みずいろ, Mizuiro 2003?) is an anime OVA.
It is a second, non-H adaptation of the game Mizuiro. Story was slightly changed, but it follows main game plot climaxes, focuses on Hiyori and Yuki scenarios. With this OAV "Selling Memorial Event" Omake was released, it features Seiyū's talking about their characters.