((Mom passed away, and dad leaves. You live with your younger sister, a spoiled, lazy and troublesome girl who often cut from school and spend hours on phone while you were working to evening.))

In the evening, you enter your home which is a common apartement. As you enter, your eyes were greeted by the view of Miyu laying on the couch with a phone in her hand. She notice you are home and ask you.

"Nii-chan, is there still any pizza in the fridge"