Action games Sword of Asumi takes place in an alternate dimension. There, in the country of Edo, the ancient samurai were not banned and rule the state. In this world, old traditions and culture are followed. They have become one of the foundations of human development. The main character's name is Asumi. This is a young and beautiful girl. But despite her harmless appearance, she is a real killer. Since childhood, she was taught all the intricacies of the craft. And she has achieved significant success in this. Therefore, she is sent to one of the local universities with a special task. There she disappears among the students and leads an ordinary student life. No one should recognize a member of the black clan. The main task is to find and neutralize one student. In the future, because of him, a bloody civil war will begin, which will put an end to the rule of the samurai. The game itself is presented in the form of a drawn book. The action choices the player makes lead to the progression of the story. There are several storylines with unpredictable endings.

From Sword of Asumi the player receives:

• An ambiguous development of events – with every action, step, the future of both the heroine and the country of Edo changes.
• A confusing plot – in order to find the right student, the heroine meets different people, study their habits, and observe their lives.
• Constant movement – Asumi must go around the campus, go on trips with new friends. All this is necessary to complete the task.
• Lead a secretive lifestyle – no one should suspect who she really is.