| Achievement | How to unlock
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| All Achievements Unlocked! | You have unlocked all of the achievements.
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| All CGs Unlocked! | You have unlocked all of the CGs.
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| All Music Tracks Unlocked! | You have unlocked all of the Music tracks.
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| All Past Memories Unlocked! | You have unlocked all of the past memories.
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| Bad End Unlocked! | You have unlocked the Bad Ending!
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| Ethan (Couple) Route Cleared! | You have cleared Ethan (Couple) route!
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| Ethan (Partner) Route Cleared! | You have cleared Ethan (Partner) route!
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| Family Love | Loneliness Released! | You have released the feelings "Family Love" and "Loneliness"!
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| Happiness | Sadness Released! | You have released the feelings "Happiness" and "Sadness"!
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| Hope | Despair Released! | You have released the feelings "Hope" and "Despair"!
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| Love | Hate Released! | You have released the feelings "Love" and "Hate"!
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| Nathan (Family) Route Cleared! | You have cleared Nathan (Family) route!
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| Nathan (Friend) Route Cleared! | You have cleared Nathan (Friend) route!
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| Prologue Cleared! | You have cleared the prologue!
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| The Beast | Listen to the beast roar!
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| True Route End 1 Unlocked! | You have unlocked the true route first ending!
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| True Route End 2 Unlocked! | You have unlocked the true route second ending!
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| True Route End 3 Unlocked! | You have unlocked the true route third ending!
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| True Route Unlocked! | You have unlocked the true route!
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| Trust | Distrust Released! | You have released the feelings "Trust" and "Distrust"!
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| Truth | You found out what actually happened 15 years ago.
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| Who Is the Wolf? | You found out the wolf's identity.
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