SI-VIS: The Sound of Heroes Episode 20: Future After Revenge

Canon/MED

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Episode Context

Following Episode 19, "Accelerating Collapse," which leaves SI-VIS regrouping amid chaos and a major development within XENOS, the season converts that destabilization into a concrete plan to recover Nagi. The episode sets up the move to XENOS's home planet and leads directly into Episode 21's conflict over Nagi and the Mirages on Earth. The larger conflict remains unresolved as the series turns from Earthbound crisis response toward interplanetary stakes.

Runtime23 min

Filler StatusCanon

Plot ImportanceMED

Air DateFeb 22, 2026

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