Quanfa: I Am the King of Darkness! Was Drugged at the Start?

[Double heroines + no system + pure evil + not stealing the chance to be the protagonist] At the beginning, the younger brother of the heroine who is a full-time mage traveled through time. At the beginning, he was regarded as mentally ill and was forced to take medicine. Mu Ningbing: "She is neither a weed nor a weed, she doesn't need you to step on her!"