ABO Era

In an era, it is divided into ABo constitution. A simple boy with an O physique was taken to a bar by a friend and met a domineering gangster with an A physique. After a one-night stand, they began to look for each other... What kind of sparks will arise between the innocent boy and the domineering gangster? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.