Miyu

Miyu is a visual novel game that involves Deus which is the main character of the game. The story revolves around the last day of summer vacation which is a sad day for any student. Except this last day of summer vacation won't be a sad one because it is the last day. It will be the day Deus won't ever forget. Miyu is a game that will be developed and created by you the players. Your suggestions will be taken into consideration and will be made to pave the game as you see fit.

[From official site]