| Achievement | How to unlock
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|---|
| Ageha Happy Ending | Completed with "Ageha" Happy Ending.
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| Ageha Super Happy Ending | Completed with "Ageha" Super Happy Ending.
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| All Endings | Completed with All Endings.
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| Asagiri Happy Ending | Completed with "Asagiri" Happy Ending.
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| Asagiri Super Happy Ending | Completed with "Asagiri" Super Happy Ending.
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| Gakuto Happy Ending | Completed with "Gakuto" Happy Ending.
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| Gakuto Super Happy Ending | Completed with "Gakuto" Super Happy Ending.
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| Takigawa Happy Ending | Completed with "Takigawa" Happy Ending.
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| Utsusemi Happy Ending | Completed with "Utsusemi" Happy Ending.
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| Utsusemi Super Happy Ending | Completed with "Utsusemi" Super Happy Ending.
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| Welcome to Ohgiya | Completed the Prologue.
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