| Achievement | How to unlock
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| Asumi the Swot | Get a perfect score in Tactics with Sen.
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| Completed the Game | Completed the entire game at least once.
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| Death of Hikari | Completed Death of Hikari Ending.
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| Dying Alone | Completed the Dying Alone Ending.
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| Hikari's Unrequited Love | Completed Hikari's Unrequited Love Ending.
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| Impressive Poetry | Impress Kami with your poetry skills.
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| Kaori Suggestion | Suggest to Kaori she is your type too.
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| Mercy if for the Weak | Completed Mercy is for the Weak Ending.
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| Mineko Falls | Killed Mineko at the End.
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| Obstacle Course | Came first on the Obstacle Course.
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| Reckless Killing | Kill Everyone in the intro.
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| Seduce and Drug | Drug the Principal for Information.
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| Skipping the Intro | Skipped the intro on second playthrough.
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| Spreading Rumours | You Spread Rumours about Hiro and Jiro.
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| The True Assassin | Assassinate the kidnappers after they talk.
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| The True Justicar | Completed the 'cannon' ending to the game.
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| True Love #1 | Saved the World and fell in love #1.
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| True Love #2 | Saved the World and fell in love #2.
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| True Love #3 | Saved the World and fell in love #3.
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| True Love #4 | Saved the World and fell in love #4.
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| Try Cosplay | Try a little cosplay with Kaori.
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| Utsuro Falls | Killed Utsuro at the End.
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