The male protagonist has suffered from autism since he was a child. He gradually became cheerful after meeting the female protagonist, and they became good friends.
But the good times didn't last long. The heroine encountered a car accident on the way to find the hero. When she woke up, she forgot about the hero's existence. Because of this car accident, the heroine also moved away.
In high school, the heroine and the hero met again, and the hero also embarked on his journey of redemption.
"Once, she was as dazzling as the dawn, giving me warmth when I was lonely. But now, the original dawn has long lost its luster. No matter how much I have to pay, I will definitely rescue her from the darkness and open that window for her!"
Motto: When someone reaches out to you, you should reciprocate.