OA: Other Age (2006)

You are the Princess of Zeiva Kingdom. In order to celebrate your 16th birthday, Green Mage Nitarou gives you a special machine that allows you to summon your dream guy. Enter the world of Other Age, where Genetic Glow and Imaginary Realm characters collide. There are 10 obtainable characters to choose from, complete with various mini-games, events and endings.

Storyline

You are the Princess of Zeiva Kingdom. In order to celebrate your 16th birthday, Green Mage Nitarou gives you a special machine that allows you to summon your dream guy.