No matter which world she travels to, there will always be a world-destroying villain who will be her brother...
Tang? Forced sister? Wanwan:...
The boss who insists on being an older brother: Σ(|||▽||| ) I have a sister, so, so happy
The story of various unrelated villains, a heavy-handed sister-controlling brother and a weak-minded girl.
[1. The male protagonist is a pervert and a lunatic, who becomes evil every day, and is brilliant in every world.
2. The male and female protagonists in each world are not related by blood.
3. It's a sweet little white text, the stupid author has a low IQ, so don't read it if you don't like it.
Concept: The younger sister controls the love between her brother and younger sister