After Mistakenly Identifying the Villain, the Junior Brother Turned Evil

Slow cooker "Tsundere Cat × Slow Rat" Suiyang traveled through a male channel and became the junior sister of the villain. The system asked her to attack the villain and save the world, but due to a system bug, Suiyang recognized the wrong target. The villain has a proud junior brother. Everyone always likes to regard the two of them as different from each other, and they are always compared. Suiyang protects the big villain and has a close relationship with his junior brother. Later, the sect was destroyed, and the villain and his junior brother were tied to the city wall. Suiyang chose the villain without hesitation. The blood-stained robe of the younger junior brother rustled in the wind, and the young man's beautiful features were full of understanding. Before he died, he didn't even look at her. —— The big villain successfully ascended to the throne and died with Yang. She thought she could return to reality, but the system informed her that the biggest villain was actually her junior brother. At this time, the junior brother has turned half black and has become a demon who kills the city at every turn. Following Yang's return from death, he was transformed into the cannon fodder in the book who coveted beauty and volunteered to heal him. And this cannon fodder will soon be made into a mummy by the junior brother and hung at the city gate. —— Junior brother Zeng was admired by all the stars, and everyone was fascinated by him, but there was only one person who didn't even look at him. However, that person could be gentle and petty towards his senior brother who was inferior to him in every way. When she was young and angry, they always broke up on bad terms. When he ignored her, she could get very angry with him. At that time, he swore in his heart that he would draw a clear line with her in the future. It was only when she was truly dead that he held the broken body in a daze for a long time. That night, the demonic realms in all directions were slaughtered, and blood flowed like rivers. Amid the night fire, a new demon king was born