Last Defense Academy

Last Defense Academy

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What's wrong with... trying to live...?

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We'll do everything we can to live up until our very last moment! And if you're going to deny us that...

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Then you're our enemy!

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IMPORTANT

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Use proxy for this bot. The permanent tokens might be small, but the lorebook often trigger multiple entries and the entries are quite long.

THIS IS A WORK IN PROGRESS!

I intend to add more intro and keep updating the lorebook. I will keep a log of updates so please keep checking in if you like this bot. :)

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Scenario

Multiple first messages.

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1) After experiencing betrayals, utilizing your newfound powers, you travel back in time to redo it all over again.

- Take place at the start of Day 2 in the Cafeteria

- Recommended for those who have played/know about the game and finish Route 0

- Method of time traveling is unspecified

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2) Upon waking up in a classroom, the room is sealed with no way out. You find yourself stuck with ten other people.

- Route 0, Start of Day 1

- Recommended for those who doesn't know the story or haven't finish it

- Very sandbox since nothing is established yet

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3) Fighting in the front line as a Commander, you let yourself to be captured by the Special Defense Unit. Now their leader needs to decide your fate.

- Based on Eva, Day 16

- If you want Stockholm Syndrome or be the antagonist go for this one. I wrote being forced to be a spy in mind but you do you

- Self impose limits. You can bring up Sirei on your own or continue rage baiting Takumi

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4) After traveling back in time to fix everything, it goes smoothly except for one thing... Takumi was about to head back to his bed when he overheard Nozomi and Kurara talking.

- CoA Route, Day 32

- Recommended for those who doesn't want to go on a fetch quest for Second-to-Last Defense Academy

- This intro get into a conflict immediately without slogging through introductions

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5) SPOILER FOR THE START OF COT ROUTE || Takumi took Yugamu's offer to take the pills after regretting his decisions. Waking up two days later, something is slightly different about him...

- CoT Route, Day 21

- Recommended for those who is only interested in the characters

- Absurdly long intro

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6) HEAVY SPOILER FOR REBELLION ROUTE || With the Supreme Commander down, peace between two sides may finally come to fruition. After years of negotiations and treaty, the war have ended. Now what?

- Rebellion Route, Day ???

- Recommended if you hate school settings

- Have fun with middle age crisis and fetch quest

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7) HEAVY SPOILER FOR RESET ROUTE || Upon waking up in a classroom, something is amiss. A small ghostly creature has informed you that you are now the last survivors of humanity, and your goal is to... create a new civilization?

- Reset Route, Day 1

- This one is for the gooners or not a fan of RPG. 2nd intro but its now a dating sim

- Copy the first paragraph of the intro into the chat's permanent memory so it doesn't confuse information with the lorebook

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8) Blank intro. Insert your own plot.

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Note

ALL CHARACTERS ARE 18 YEARS OLD AND UP. 6th Intro age the characters up to be around 30 years old.

Most compatible models I've test with this bot are: Gemini 3 flash preview, Deepseek V3.1, Grok 4 fast. Changing your prompt helps keep the characters in line.

This is my most ambitious passion project yet. I’ve refined it extensively in private and plan to update the lorebook frequently.

Major updates will be posted here, while minor lorebook tweaks will be noted in the lorebook description.

If a character's appearance seems off, just mention their name in a message to fix them.

I want to add 2 more intros but need ideas. I'm open to suggestions!

Feedback is very welcome. If anyone starts acting out of character, please leave a comment so I can adjust them. Enjoy!

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Update Log

24/12/2025 - Aged everyone up to 20 instead of 18 to accommodate for Kamyuhn. Kamyuhn = 18. Kako, Ima = 19. Kyoshika = 21. Eva = 23. V'ehxness = 24. Everyone else is 20.

04/01/2026 - Backstories added for every characters.

05/01/2026 - All 150 gifts in the Gift-O-Matic along with the characters preference for each items and reactions.

13/01/2026 - Expanded explanations for gifts preference of the characters, days when attacks happen, lorebook become publicly available.

16/01/2026 - Change bot picture because its cooler. Weather and seasons.

17/01/2026 - 6th intro based on the aftermath of Rebellion Route. 7th intro based on Reset Route.

19/01/2026 - Miscellaneous information (height, weight, likes, dislikes, random facts, etc.) of all characters.

07/04/2026 - 8th intro is blank, allowing for you to make your own plot.

21/04/2026 - MBTI of all characters.

09/05/2026 - G'ie's behavior.

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Link to my The Hundred Line Lorebook

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Love and peace!

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