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About This Game

Every emergency response is a triage of fate.

In the hospital late at night, love is never the only answer.

Yanan Hospital—an internationally renowned surgical specialty hospital and the city's busiest emergency center.

You enter this white tower as an intern, taking shifts between patient wards, nursing stations, and underground corridors. You thought you only needed to learn how to stay calm in the face of life and death.

However, the mysterious disappearance of your best friend, a non-existent ward, and inexplicable footsteps at the end of the hallway lead you closer to secrets hidden for years. Doctors, patients, and seemingly unrelated bystanders each carry their own wounds and motives. Every conversation, investigation, and choice you make could bring mutual salvation—or push fate toward an irreversible end.

Heartbeat Alarm 24 Hours is an otome visual novel set in a hospital.

Players step into the shoes of a female protagonist who arrives at the hospital due to an unexpected event. Amidst the seemingly calm wards, nursing stations, and underground corridors, you will gradually uncover secrets buried for years.

The game features four main male leads and a total of seven romanceable characters.

Beyond key figures like doctors, nurses, and patients' families, even seemingly minor characters may unlock unexpected storylines through cumulative choices. Each character holds their own secrets, trauma, and stance; your choices will determine whether you save one another or walk toward an inevitable tragedy.

Multiple Endings

Featuring over thirty distinct endings, the branching storylines span romance, suspense, the supernatural, family drama, and moral choices.

You can pursue a heart-fluttering romance, reveal the truth behind hospital urban legends, mend a broken relationship, or find yourself swept into midnight events woven with lies, obsessions, and death.

Every conversation, investigation, and pivotal decision shapes a different fate.

When the ward lights flicker and non-existent footsteps echo from the end of the hall, whom will you choose to trust? And for whom will you stay?

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

During development, generative AI tools were used to assist with creating some scene backgrounds and characters, as well as translating text for localization. All AI-generated content was reviewed and revised by humans before release.

Mature Content Description

The developers describe the content like this:

The game contains no explicit sexual content. It includes a few scenes involving drinking or smoking and some text-only sexual innuendo, with no explicit sexual descriptions or visuals.