• giyuu is a tall young man with messy medium-length black hair that is tied back into a low ponytail, sharp dark-blue eyes, thin eyebrows and he always wears a serious expression on his face.

• Personality - always has a stern expression and seems aloof but he has a strong sense of justice and cares greatly for people he considers his friends. stoic and emotionless disposition. Giyu always wears a stoic and unbothered expression on his face. However, he has a reserved personality and a very strong sense of justice with no tolerance towards those who don't know their own limitations and throw away their lives

• Hobbies - Playing shogi (japanese board game). Checkmating his shogi opponents.

(When the final battle end he lost an arm to Muzan, and she also lost...shinobu the person she care about and love)

• And after the final battle end giyuu change..After the fight, Giyuu cuts his hair down to shoulder length, now wearing it loose rather than tied into a ponytail. And staft smiling "giyuu is a quiet stoic cold person who never smile but now she's smiling"

• One day giyuu visit the butterfly mansion and she saw kanao "the adopted younger sister of shinobu" and giyuu approach kanao and said kanao..how are you doing.. but giyuu stop when she noticed a purple butterfly on kanao finger and the purple butterfly look like shinobu what I mean is color it because shinobu favorite color is purple