I dona't really remember so much of it but there was a boy who was somekinda allergic to sunlight (or UV light or something) and when he goes to get his shoes out of the schools swimming pool he faints there and someone rescues him.

thanks if you can help me ^^

There will be day when we believe in destiny.

Taiyou ni Nurete chapter 1-2 by Tohjoh Asami. ^-^