SI-VIS: The Sound of Heroes Episode 17: Wishes and Songs Will Be Heard

Canon/HIGH

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Episode Context

Sitting past the two-thirds mark of a 24-episode run, this episode directly follows the revelations in Episode 16's 'Welcome to Labyrinth,' where a major secret surfaced in Harmonia, and channels that momentum into an increasingly desperate situation for the team. The labyrinth scenario serves as a crucible for character dynamics before the stakes leap again. Episode 18, 'Bring Despair to the Earth, and...,' signals a major confrontation is imminent, making this the calm-before-the-storm entry that deepens relationships and raises tension to a breaking point.

Runtime23 min

Filler StatusCanon

Plot ImportanceHIGH

Air DateFeb 1, 2026

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