I will never... I'll never ever leave you again. Never ever. I promise.
—Seita to Setsuko Yokokawa (Seita's younger sister)

Seita Yokokawa (横川 清太 Yokokawa Seita) is the fourteen-year-old protagonist of Grave of the Fireflies. After he and Setsuko Yokokawa (Seita's younger sister) lost 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.


Early life

Seita was born in 1931 and Setsuko Yokokawa is born in 1941.

Towards the end of the film, he passed away on September 21, 1945.


  • The name Seita means "clear, pure, clean" (清) (sei) and "thick, big" (太) (ta).
  • Seita's surname Yokokawa means "side" (横) (yoko) and "river, stream" (川) (kawa).


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