Roommates? With him!?! (KageHina)

Kageyama and Hinata have been teammates and friends for a while. They've been in contact even when they went to college. Hinata thought Kageyama went somewhere else, so why is he...? This is an AU where Kageyama never went to the Schweiden Adlers and instead followed Hinata. It's also sort of a College AU so let's pr...