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Koichi Yamadera and Kotono Mitsuishi Voice Why-Man in Dr.STONE SCIENCE FUTURE

The casting of two veteran actors for Why-Man signals the series' climactic phase, as the petrification mystery is finally explained on screen.

Key Facts

  • Episode 36 of Dr.STONE SCIENCE FUTURE, broadcast June 18, 2025, reveals Why-Man's true form and resolves the petrification mystery.
  • Koichi Yamadera and Kotono Mitsuishi voice Why-Man, with Yamadera calling the role 'unique' and the story's scale 'too grand.'
  • Mitsuishi stated Why-Man has internal factions: a leader, vice-leader, conservatives, radicals, and progressives.
  • The third cour of Dr.STONE SCIENCE FUTURE, airing spring 2025, released the 'VS Why-Man Visual' showing Senku facing a sinister depiction of the entity.
  • The story arc sends characters to the moon aboard a global lunar rocket for the final confrontation.

Reporting from 1 source: Comic Natalie.

Koichi Yamadera and Kotono Mitsuishi Voice Why-Man in Dr.STONE SCIENCE FUTURE

The third cour of Dr.STONE SCIENCE FUTURE released a key visual and cast comments as Why-Man reveals its true form in episode 36. Koichi Yamadera and Kotono Mitsuishi voice the mysterious entity, with the story now reaching the moon for the final confrontation.

The third cour of Dr.STONE SCIENCE FUTURE, airing spring 2026, has released the "VS Why-Man Visual" showing Senku facing a sinister depiction of the entity. In episode 36 broadcast June 18, Why-Man reveals its true form, resolving the long-running petrification mystery. Koichi Yamadera and Kotono Mitsuishi provide the voice for Why-Man, with Yamadera calling the role "unique" and the story's scale "too grand." Mitsuishi noted Why-Man has internal factions including a leader, vice-leader, conservatives, radicals, and progressives, and expressed relief that Yamadera voiced the leader. The arc sends the characters to the moon aboard a global lunar rocket.

Synthesized by Yomimono from the 1 cited source below, including Japanese-language reporting where cited, then editorially reviewed before publishing.

Sources