Except for her mother, she harbors great malice towards the whole world. Especially, the "little bastard" she hated the most. However, there was only one girl he liked in the whole world, the one he had called "little sister" since childhood. ————————————————Brightly "I'm going to blow your head off", the grumpy sister × Secretly, "Sister, look at me", the scheming brother. PS: Sorry, for the previous submission, I set the time and published it myself...