In the future world, a human being called Equals has become the main component of society. Equals loves peace, calmness, justice, and courtesy. The society they live in is perfect, without greed, poverty, violence, and emotions. However, a new disease called SOS threatens the existence of a perfect society-SOS can make people become sensitive, feel depression, fear, and even love. When a person suffers from SOS, they will be sent to a "cave" and never return.
Silassuffered from SOS and became a heresy in society. At this time, he met a girl named Niaplayed. She also had emotions, but she was able to conceal it. I am not noticed by others. Silas and Nia, who resonated, felt love for the first time, but in order to survive, they had to start fleeing
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