The Blackening of Quick Travel Is in Hand, I Have Good Kidneys

Jian Yao has a system called the kidney system. Being deceived by this cheating system into signing a treaty ceding territory without paying compensation, Jian Yao said that if he couldn't see the entity of the system, he would have hit it with a shoehorn! He would tearfully accept the setting of gaining favor and fighting monsters, even if it was the princess and his wife who became the target. Etc! What's this black option about? He doesn't want a dark male protagonist! If I love you, I will kill you; if I love you, I will lock you up. Damn it, this world is so dangerous and he needs to go home! After Jian Yao completed his mission and returned to modern times, he realized that things were not as simple as he thought. This good kidney system department would not stop cheating his father! This is a sad story about Jian Yao constantly traveling to various worlds and being eaten up by men. The author's own mother, a yandere lover, you deserve it