About This Demo

Fall for him. Doubt everything.

Blue Blood Love Song is a romantic sci-fi mystery visual novel. This free demo introduces the opening of the story, where tender everyday moments give way to an unsettling sense that something is wrong.

Your childhood friend Zuoluo greets you with a familiar smile and gentle care. Yet small, unexplained details begin to disturb that comforting routine. Is he hiding something? How far are you willing to trust him?

In this demo:

• Discover the opening of the story and meet its central characters.

• Make dialogue choices and experience different responses and story branches.

• Enjoy a portrait-format presentation, character scenes, and an atmospheric soundtrack.

• Play in Simplified Chinese, English, or Japanese.

This demo contains only part of the full game and ends at a designated point in the story. The continuation and full set of endings belong to the full game.

AI Generated Content Disclosure

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

Generative AI tools were used during development to assist with the creation and refinement of some visual assets, localized text, music, and a small number of sound effects. All AI-assisted content was reviewed, selected, and edited by the developer before being included in the game. The game does not use live generative AI and does not generate content during gameplay.

Mature Content Description

The developers describe the content like this:

This Demo may contain content not appropriate for all ages, or may not be appropriate for viewing at work: General Mature Content