| Achievement | How to unlock
|
|---|
| After School Ending | Saw the After School Ending.
|
| Finished First Period | Cleared Chapter 1.
|
| Finished Homeroom | Cleared Prologue.
|
| Finished Second Period | Cleared Chapter 2.
|
| Finished Third Period | Cleared Chapter 3.
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| Itsuki: Bad Ending | Saw Itsuki's Bad Ending.
|
| Itsuki: Good Ending | Saw Itsuki's Good Ending.
|
| Kaede: Bad Ending | Saw Kaede's Bad Ending.
|
| Kaede: Good Ending | Saw Kaede's Good Ending.
|
| Nao: Bad Ending | Saw Nao's Bad Ending.
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| Nao: Good Ending | Saw Nao's Good Ending.
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| Sakuya: Bad Ending | Saw Sakuya's Bad Ending.
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| Sakuya: Good Ending | Saw Sakuya's Good Ending.
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