Humanity's Last Bastion, the Underground City "Grand Cavern." Its fragile peace is brutally shattered by a single intruder.

The sudden invasion of the specter from the past—"Nephilim." And the horrifying ultimatum: "In 30 days, humanity will be annihilated."

You become the "Master" who leads the android girls known as Dystopia Girls (D-Girls)—humanity's only remaining hope—and must stand against the approaching fate.

■ Carve out destiny within repeating time Only 30 days remain. You will build bonds with six uniquely charming Dystopia Girls, grow stronger through battles, and uncover the secrets hidden deep within the Grand Cavern. But failure is not the end. Fate will rewind time and send you back to 30 days earlier. Gather the fragments of memory across countless repeating cycles and find the way to break this tragic loop.

■ Game Features

• Time-loop roguelite Deck Builder.  unique roguelite experience where every death becomes a new clue. Your failures are never in vain.

• 6 captivating heroines Six girls who gradually open their hearts depending on your choices. The deep bonds you form with them become your strength—and the key to unlocking hidden truths.

• Fate-dividing multiple endings The story reaches a different conclusion depending on whose hand you hold in the final moment. 6 individual character endings + one true ending where all secrets are revealed. What ending will your story reach?

• Lies, betrayal, and truth Who is an ally and who is an enemy? At the center of a colossal conspiracy hidden behind the grand cause of "protecting humanity," discover your own truth.

The girls' fate rests entirely on your 30 days.

■ Collect 27 different costumes

• Raise affection with the girls to unlock various costumes disguised as "special training." After events, you can obtain the costumes using in-game currency.

  

■ Collect legendary cards

• Clear special in-game events or defeat Nephilim to obtain legendary cards. Once acquired, legendary cards have a chance to appear in draws from the next run onward.

■ Character Introductions

Name: Kranosia

Code: Dimensional Code

As an SSS-rank Dystopia Girl, she is assigned to the protagonist from the very start under Haba's orders. Highly suspicious and meticulously thorough, she becomes a reliable ally right from the beginning. She is a professional soldier Dystopia Girl who will carry out any mission commanded by Haba.

Name: Ethernia

Code: Holy Code

She guards the Garden of Hope, equipped with Mechawings and possessing the rare repair ability. Born as a princess of a certain kingdom in the past, she carries the grace of royalty and the righteous chivalry of a knight. Wary of those she first meets, once trust is earned, she becomes an endlessly dependable comrade.

Name: Tempestra

Code: Lightning Code

A science and experiment enthusiast, she conducts research alone in an old laboratory. She strikes wide-ranging enemies with lightning whips and paralyzes foes with EMP attacks. If you love science stories, why not lend an ear to hers?

Name: Luminesia

Code: Magic Code

She wields magic through the pinnacle of codes implementable via scientific technology. Alone in a quiet corner of the Grand Cavern, she maintains a protective magic circle—perhaps she was waiting for someone to come along?

Name: Glaicia

Code: Freezing Code

She loves playing games by herself and fears encountering others due to childhood memories of losing control over her freezing code and harming those around her. She might just be searching for a Master who can understand her.

Name: Infernia

Code: Flame Code

Harboring intense hostility toward Metallion, she has a reckless and charging personality. If you want to fight enemies alongside her, head to the warzone at the outermost edge of the Grand Cavern. Fighting Metallion alone, she might be burdened by a lonely battle.