Satoshi lives with his kind grandfather who raised him in place of his parents. One day, Satoshi felt unwell and went to a nearby hospital, where an angel in a white coat appeared before him...it was his classmate Miki. A chance reunion...and the two of them kiss their lips. Satoshi feels the greatest joy in his life and foresees a future that will shine brightly. At the height of his happiness, Satoshi had no way of knowing about the tragedy that would occur next.