20 Ways to Piss Off Histsugaya
Call him Shiro-Chan
Say he is small
Give him candy every time you see him
Ask if captain Ukitake is his long lost older brother
Tell Matsumoto that he wants a hug
And that she can have the week off
Pat him on the head and say 'good boy'
Call him little Shiro
Tell him Mayuri has developed a growth solution
Watch as he gets excited
Then tell him the truth. There is none
Tell him that Momo hates him
Tell him that Momo says Renji is better than him
Say he is stupid
Prove it by saying 'what is 1+1='
When he says 2 laugh and say NO, its Window stupid.
Tell him that he only became a captain because the other captains thought he was cute.
Steal his candy
Any time he drinks, Take it off him and say 'NO NO NO, you're under age'
Tell him his zanpakutou is too big for him.