At first I thought this was going to be kinda of boring japanese crap, but then immediately after you said chuin I thought of "Remo anyone!" and then low and behold there he was, just a walking down the street, do wah diddy! hehehehe great story hope you can update again and soon! I also hope he can loosen up a little bit too!
Author's response
- Harry is stiff around Chiun, because his father expect it. Harry has spent a fair amount of time hanging out with his big brother Remo, he's not stiff with anyone else.