DaiSuga

DaiSuga is the slash pairing of Sugawara Koushi and Samawara Daichi from the anime Haikyuu!!

Canon
Daichi and Suga are shown to be good friends. Daichi is the Captain of the volleyball team, but Suga is kind of the "Mom friend".

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.

Trivia

 * They both play for Karasuno
 * They are both third years, so they graduate
 * They deal with Kageyama and Hinata's fighting a lot
 * Daichi is the Captain of the volleyball team