I Became a Fantasy Novel Villain

Fang Han traveled through a fantasy novel and became a tragic licker who was in love with his junior sister but couldn't get it. As a senior brother, he dotes on the cute little junior sister Bailianhua, but the little junior sister is having sex with the new male protagonist? The sect was destroyed and became a slave of the demon sect, but he still cared about his little junior sister. He endured the humiliation and worked hard to practice demonic skills, but was regarded as evil and crooked by the little junior sister? When he learned that the junior sister had been kidnapped, he went to rescue her alone, but was seriously injured in the end. The junior sister didn't even look at her and just threw herself into the male protagonist's arms? In the end, I can only support my broken body and spend my life alone? What kind of bullshit plot? … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.