|Anime debut||Valiant Fight|
|Relatives||Yukine Miyazawa (sister)|
Kazuto Miyazawa (宮沢和人, Miyazawa Kazuto) is the deceased brother of Yukine Miyazawa. He was a delinquent, but was kind to his sister. He was not on good terms with his parents.
It is said that he was the only person who could take on Tomoyo in a one-on-one fight.
Clannad ~After Story~
He died in an accident escorting his friends home. No one else knew this because Yukine and her brother's gang didn't want the word to get out their leader is dead. When everyone learns the truth, they decide to end the rivalry. Yukine, Nagisa, and Tomoya, along with both gangs, visit his grave.