~~COMPLETED~~ "I'm sorry... I don't know who you are?" Hinata Shouyo; Once happy, energetic and a brilliant volleyball player, loses his memory in an accident. No longer able to remember the people he once knew and the sport he once loved, he must learn to live with the way he is. Everyone knows him. He knows nobody. With help from Tobio Kageyama, he slowly learns to adapt to his knew life. But Kageyama sees something. Something different about Hinata. They boy he once knew... ...was gone.

What if one day you received a letter from your future self? The letter revealed all of the regrets you are going to make in your third year of school...and how to stop them from happening. There is one goal through all of it, don't loose Bokuto Koutarou. [Inspired by the manga/anime "Orange".]