people who love their family very much high-five; Hisui here has a sister at home who he is ridiculously protective of and he will gladly share stuff about her. Except for the times when she's the one kicking him into shape. Maybe not those ones.

He'd also be down for a brawl but Hisui isn't as tough as his act would imply; he'd hardly be a challenge for Childe :'D ...but maybe teach him some tricks anyway so he can protect his sister, in return Hisui can share his cooking tips