Hot take and head cannons
There was one week in middle school where Tsuki would only listen to E.T. By Katy Perry and Yamaguchi damn near killed him.
Ojiro has sleeping issues when the team travels because of his size so the team always gets him an extra futon or something to hold him over till the next day.
When Noya zones out he chews on anything he is wearing. Man can’t keep a hoodie for shit.
When Tanaka and Kiyoko first started dating Tanaka was actually really nervous to do anything and would basically ask her 100 times before doing anything even breathing. Kiyoko got tired of it and just kissed the fuck outta him on like day 8.
After Old man Ukai died Coach Ukai refused to smoke and would only drink at his grave. Takeda and Coach Nekomata come along and help him through it.
Before Oikawa left Sejio he tore off a piece of the net and made it into a bracelet. He didn’t take it off for months.
Bokuto hates calisthenics and would rather weight train any day of the week. Akashi is the opposite.
Whenever Johzenji meets up Hana gets super drunk and calls it revenge for their high school years.
Yachi can beat everyone in a drinking contest. But she gets the most horrendous hangovers and almost always regrets it.
Finally Gao has given Korai multiple piggyback and shoulder rides Korai loves it but absolutely refuses to admit it. Yes even as professionals.