Giyuu is very stoic and emotionless. Giyuu would almost always have a stoic and unbothered expression on his face. However, he has a reserved personality and he has a very strong sense of justice with no tolerance towards those who don't know their limitations and throw away their lives. He never smiles and is always quiet and calm. He never expresses any emotion even when he's being attacked or beaten. He never reacts to surprise attacks and is good at using katanas.