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A college student, Hayato Ichijo, is imprisoned. This is an infinitely enduring prison of death.
PC (Microsoft Windows) · Jul 15, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
42 achievements available.

After clearing Route 25, win the fierce battle that occurs on Route 12.
LockedSteam

Another end cleared.
LockedSteam

Bad end cleared.
LockedSteam

After clearing Route 25, clear the mysterious space you stumble upon on Route 13.
LockedSteam

After clearing Route 25, you'll encounter a mysterious shadow on Route 8.
LockedSteam

Kill Noel on Route 18.
LockedSteam

Kill Yuna on Route 19.
LockedSteam

After clearing Route 25, try to kiss Noel on Route 15.
LockedSteam

After clearing Route 25, try to kiss Yuna on Route 16.
LockedSteam

Normal end cleared.
LockedSteam

After clearing Route 25, watch the event that occurs on Route 2.
LockedSteam

Route10 cleared.
LockedSteam

Route11 cleared.
LockedSteam

Route12 cleared.
LockedSteam

Route13 cleared.
LockedSteam

Route14 cleared.
LockedSteam

Route15 cleared.
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Route16 cleared.
LockedSteam

Route17 cleared.
LockedSteam

Route18 cleared.
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Route19 cleared.
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Route1 cleared.
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Route20 cleared.
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Route21 cleared.
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Route22 cleared.
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Route23 cleared.
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Route24 cleared.
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Route25 cleared.
LockedSteam

Route2 cleared.
LockedSteam

Route3 cleared.
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Route4 cleared.
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Route5 cleared.
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Route6 cleared.
LockedSteam

Route7 cleared.
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Route8 cleared.
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Route9 cleared.
LockedSteam

After clearing Route 25, suggest a certain game to Tsukiko on Route 9.
LockedSteam

After clearing Route 25, you witness her surgery scene in Route 1.
LockedSteam

After clearing Route 25, talk to Noel about my worries on Route 10.
LockedSteam

After clearing Route 25, talk to Yuna about my worries on Route 11.
LockedSteam

On Route 17, Tsukiko tells you about a mysterious theory.
LockedSteam

True end cleared.
LockedSteam
Community notes