Sammy Hinata uses to be Samantha Hinata, but the summer before high school he came out as Transexual.
His father was so disgusted with his daughter, now son, that he left the family.
Sammy goes to Karasuno with his twin brother, Shouyou.
They both join the volleyball team, but because of some problems Sammy only ever makes it to a few practices.
What could be happening to Sammy?
How bad could it be?
Why is Tsukishima the first person Sammy seems to find comfort and safety in?
What else could go wrong for Sammy?