DaiSuga

DaiSuga is the slash pairing between Sawamura Daichi and Sugawara Kōshi from the Haikyu!! fandom.

Canon
Daichi and Suga are shown to be good friends. Daichi is the Captain of the volleyball team, whilst Sugawara is vice captain.

Fanon
Suga is a total mother-hen in fanfiction, and Daichi is usually shown as the "Team Dad". They take care of their "kids" and usually deal with all the angst the others put out.

Fandom
AO3

DeviantArt
 * daisuga tag on DeviantArt
 * Daichi-x-Sugawara fanclub on DeviantArt

Trivia

 * They both play for Karasuno.
 * They are both third years, so they graduate.
 * They deal with Kageyama and Hinata's fighting a lot.