Story Structure — 4 Plot Phases
The Shiga Family Pact
The Shiga clan's fading legacy leads Azusa's mother and Yuzuru's father to betroth their children. After her mother's death, Azusa moves in with Yuzuru's family, determined to claim the promise.
Key Events
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The Shiga Family Pact — Azusa's mother and Yuzuru's father agree to marry their children. Characters: Azusa's Mother (voice), Yuzuru's Father (voice)
Location: Shiga family home
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Childhood Promise — Young Yuzuru promises Azusa he will stay with her. Characters: Yuzuru Shiga (voice), Azusa Shiga (voice)
Location: Shiga family home
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Azusa's Mother Dies — Azusa's mother passes away, leaving Azusa alone. Characters: Azusa Shiga (voice), Azusa's Mother (voice)
Location: Azusa's home
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Azusa Moves In — Azusa comes to live with Yuzuru's family after her mother's death. Characters: Azusa Shiga (voice), Yuzuru Shiga (voice), Yuzuru's Father (voice)
Location: Yuzuru's family home
A Love Triangle Ignites
Azusa discovers Yuzuru's girlfriend Satomi and attempts to scare her away. Yuzuru rejects Azusa's advances and returns to Satomi, deepening Azusa's jealousy.
Key Events
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Azusa's Faithful Wait — Azusa has waited faithfully for Yuzuru, speaking to no other boy. Characters: Azusa Shiga (voice)
Location: Yuzuru's family home
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Yuzuru's High School Life — Yuzuru captains the archery club and dates Satomi. Characters: Yuzuru Shiga (voice), Satomi (voice)
Location: High school
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Azusa Sees the Couple — Azusa witnesses Yuzuru together with Satomi. Characters: Azusa Shiga (voice), Yuzuru Shiga (voice), Satomi (voice)
Location: School grounds
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Scare Tactics — Azusa tries to frighten Satomi away from Yuzuru. Characters: Azusa Shiga (voice), Satomi (voice)
Location: School grounds
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Yuzuru Returns to Satomi — Yuzuru chooses Satomi, rejecting Azusa's advances. Characters: Yuzuru Shiga (voice), Satomi (voice), Azusa Shiga (voice)
Location: School grounds
The Demon's Awakening
Azusa resolves to permanently eliminate Satomi. Her demonic nature, born from a family curse and a violent past, is revealed as the true threat.
Key Events
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Yuzuru Returns to Satomi — Yuzuru chooses Satomi, rejecting Azusa's advances. Characters: Yuzuru Shiga (voice), Satomi (voice), Azusa Shiga (voice)
Location: School grounds
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Azusa's Deadly Decision — Azusa decides to permanently eliminate Satomi. Characters: Azusa Shiga (voice)
Location: Yuzuru's family home
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The Demon Curse Revealed — Azusa is revealed to be a demon due to a family curse. Characters: Azusa Shiga (voice)
Location: Unknown
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The Violent Past — Azusa's demonic power first manifested after she killed her would-be rapists. Characters: Azusa Shiga (voice)
Location: Unspecified location
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Satomi's Desperate Warning — Satomi tries to warn Yuzuru about Azusa but cannot speak directly. Characters: Satomi (voice), Yuzuru Shiga (voice)
Location: High school
Stalking Shadows
Satomi desperately tries to warn Yuzuru but is silenced by Azusa's stalking. Yuzuru remains oblivious to the danger closing in around them.
Key Events
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Satomi's Desperate Warning — Satomi tries to warn Yuzuru about Azusa but cannot speak directly. Characters: Satomi (voice), Yuzuru Shiga (voice)
Location: High school
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Azusa Stalks Satomi — Azusa stalks Satomi, preventing her from revealing the truth. Characters: Azusa Shiga (voice), Satomi (voice)
Location: Unspecified location
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Yuzuru's Obliviousness — Yuzuru senses something strange but remains oblivious to Azusa's actions. Characters: Yuzuru Shiga (voice), Satomi (voice), Azusa Shiga (voice)
Location: High school
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Unresolved Terror — Satomi remains trapped in fear while Yuzuru stays blind to the danger. Characters: Satomi (voice), Yuzuru Shiga (voice), Azusa Shiga (voice)
Location: High school
