A Loving Slave Is Hard to Tame, and to Untie the Bell, One Must Be Merciful

[The female protagonist will become stronger after she is strong in the early stage, and she tends to force love towards the male protagonist. [The male protagonist is yandere and has a weak background, and he will not have any mysterious life experience. He will only become a king of rolls to make himself strong. The overall rhythm is fast Ming Yin lived for six hundred years, killing ghosts day after day in the underworld, like a killing machine that only obeyed orders. Until my sister disappeared. She came to the world and found her sister's slave Shen Bailian. He is as beautiful as a flower, the leading figure in Baihua Tower, and has a charming smile, but in his eyes there is the hatred of being abandoned for two hundred years. She forcibly took him as a slave and tied a silver bell around his ankle. "From now on, you are mine and if you dare to untie it, I will kill you immediately." He hates her and wants to run away. But when the silver bell rings, he has to return to her. Unable to escape, he followed her with a cold face. She didn't understand anything, so he started teaching her everything. When she is cold, he is hot. When she retreats, he pursues her. He called him master, but wanted to run away at night, but as he ran away, he found that he couldn't let go. He kissed her, and she kicked his ribs, then held his face and kissed him again. "Do you like me?" She asked him bluntly, causing his two hundred years of accumulated resentment to collapse in an instant. The first time she said sorry was to him, and the first time she was called by her name was also given by him. He hated her for possessing him, but he was even more afraid that she would not want him. "Ayin, if you dare to leave me behind, I will drain all the ghosts in the three realms and make you come to me to settle accounts for the rest of your life." To untie the bell, you need to show mercy to others. She tied the silver bell, but the key to unlocking the bell was always in his hand.