Everyone, Calm Down, We Have a Normal Relationship Between Brother and Sister!

[Multiple heroines]+[Shura Field]+[Slightly Yandere]+[Incompetent Wife] What does it mean that my sister likes me? What does it mean that my sister has become a yandere? What does it mean for a younger sister to want to be an incompetent wife? Two school girls, don't bring bad words to my sister again! Faced with the difficulties faced by her sister who is in danger, the martial arts gym that is about to close down, and the ruling forces with supernatural powers. Lin Qingbai, who had no powers, clenched the long knife in his hand. "No one can stop me from doing this. If anyone can, then I will do it again!"