I forgot what this fanfic is called and I feel like reading it again. 

Its a Taoris fic, and Kris is in a wealthy family and he gets in an accident with his parents and his little brother Luhan. 

Kris loses his eyesight and wants to run away because he thinks he's a burden to Luhan. 

When he ran away he fell asleep and all of his money he had on him got stolen and it's starts to rain. So he went to find shelter. That's when he met Tao, Tao was waiting to get picked up by his brother Kyungsoo. And they both took Kris in. 

LOL It's been a long time since I read this and thats all I remember. xD