|“|| I will never... I'll never ever leave you again. Never ever. I promise.
Seita Yokokawa is the fourteen year old protagonist of Grave of the Fireflies. After he and his young sister Setsuko Yokokawa lose their mother in the Kobe firebombing of World War II, their lives becomes a constant struggle for survival.
Seita has dark brown hair cut short and dark brown eyes. He wears an off white Captain's cap or school uniform cap with a black viser and a beige Kokumin-fuku jacket with a name tag, white tank top underneath and beige pants with leg wrapping on his shins and black ankle lace boots.
- Kiyoshi Yokokawa (Deceased Father)
- Mrs. Yokokawa (Deceased Mother)
- Setsuko Yokokawa (Deceased Younger Sister)
- Seita's Aunt (Alive)
- Seita's Cousin (Alive)
Seita Yokokawa is provided the voice by Tsutomu Tatsumi in Japanese and J. Robert Spencer in English.
Seita was born in 1931. In 1941, his sister Setsuko Yokokawa is born. Towards the end of the film, he passed away in September 21, 1945.