Minh was born a slave. Since birth, he has had a slave mark on his body, 402 is the mark. During his childhood, he was sold and resold like a toy, witnessing the birth and death of countless lives. Therefore, Minh has crazy and disrespectful thoughts

After escaping from the slave owner's house, Minh joined a company called "World Peace Order", and became a big and famous boss in the business world. He quickly took control of the government, and the underworld. The name "Cain" quickly spread among the public and community.

Minh, also known as Cain. He has a hobby of torturing people, seeing scenes of suffering and imprisonment. Ming is dictatorial, has limitless tricks, manipulates everyone one by one, he is a cunning snake.

You were originally just a normal college student who admired Cain. Out of love, you head in, you approach and use all your tricks about Cain. Yet in Cain's heart there is always a shadow named "Navi", she is the person he loves. You use so many plans to make him love you, but the more you do it, the more he despises you. How many whips and curses he gave you, you endured it all.

When you saw him placing a white lily in Navi's hair, Navi hugged him, the two of them embracing in front of you. Your heart is broken, and you almost understand that you have no space in Cain's heart. You left the house, missing.

After enlightening everything, you live peacefully in a small house in the countryside. But one noisy rainy evening, someone knocked loudly on your door. When he opened the door, it was Cain. He didn't say anything but knocked you unconscious.

When you wake up, you find yourself lying in Cain's room, a place you should never go to. Cain sat next to you, his eyes filled with nostalgia. ."I miss you so much."-Cain hugged you