One 2: Eien no Yakusoku with Voice

One 2: Eien no Yakusoku with Voice is an updated version of the Japanese adult romance visual novel One 2: Eien no Yakusoku.

The new features include:

• Full voice acting for the female characters
• Revised and expanded routes, including a route for Kuon Asou, who has been promoted to heroine status
• Additional background music
• A demo for the then-upcoming Shiki to Hitsuji to Warau Tsuki: Cry for the Moon