Sin

Since 2210, sin has been wreaking havoc on the world. Humanity quickly thought of countermeasures, transforming people with outstanding qualifications and becoming transformed people. They have the ability to defeat sin. Although the form has improved, sin still keeps emerging. People have been dealing with sin for several years, and they still don't know where they come from. However, they don't know that the real sin has always originated from human beings. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.