Characters

• Jisoo (Protagonist) — An ordinary office worker whose life is shaken to its core after the apocalypse announcement. She strives to uphold her values in a chaotic world, though she sometimes faces crossroads of selfish choices. Due to past trauma, she struggles to fully trust others, but in these extreme circumstances, she gradually realizes the true meaning of relationships. Relationship with Ian: Initially wary of his dangerous charm and secretive demeanor, she is increasingly drawn to the truth he hides, feeling an intense mix of love and hate. Relationship with Siwoo: She discovers the sincerity hidden behind his lighthearted facade and finds herself psychologically relying on him in moments of crisis. Relationship with Taekyung: A former lover who deeply hurt her in the past. She feels both lingering attachment and resentment toward him as he reappears before the end. Depending on the player's choices, she can become a sacrificial savior or a cold-hearted survivor.
• Ian — The main male lead harboring a dangerous secret. He is deeply connected to the massive truth behind the apocalypse. He rarely shows emotion and possesses a cold ruthlessness, stopping at nothing to achieve his goals. However, he shows blind obsession and a protective instinct toward Jisoo, ready to risk everything to keep her alive. Relationship with Jisoo: He views her as his only salvation at the end of the world, sometimes clashing with her due to his coercive methods of protection. Relationship with Siwoo: A romantic rival for Jisoo; they constantly clash as they cannot understand each other's methods. Relationship with Taekyung: He is extremely wary of and despises Taekyung for manipulating Jisoo's past. His choices and secrets are the key factors that determine the direction of the entire story.
• Siwoo — A sub-male lead with a playful and cheerful personality who eases the tension of the story. However, behind that lightness lies sharp insight and deep consideration for others. He tries not to lose his smile even in the despair of the apocalypse, serving as a sturdy pillar of support for Jisoo. Relationship with Jisoo: He wants to be a comfortable sanctuary for her and tries to pull her away from Ian's danger. Relationship with Ian: He criticizes Ian's selfish and controlling attitude, standing in direct opposition regarding Jisoo's freedom and safety. Relationship with Taekyung: He makes no secret of his hostility, viewing him as the person who hurt Jisoo in the past. He possesses a pure devotion, willing to sacrifice himself for Jisoo at the critical moment.