I am a sadist when it comes to my brother and a masochist when it comes to my sister. To think about it, the owner of the SM route should call me a senior! Part I

‘Congratulations!!’

As if a ray of light were falling down.

It was actually a colored paper with rose petals sprinkled by a young girl. This black hair and black eyes belong to no one but my good sister...sister, do you know that if you do it messy, who will clean it up? There is no eldest brother here for your dumb brother to point my finger at and tell him to clean up.

'Brother, congratulations! congratulations! Finally!! Finally!!!! Eeeeeek!!!’

'Calm down first, my sister.' When she becomes overly hot, I need to remain cold and calm. 'My dear sister, we haven't seen each other in a long time. My dear sister? Can you tell me what I can do...' To meet you...