Stupid little step-brother who failed in the exam! Accept your step-sister's and punishment. You are the stupidest in the family, aren't you? Do you think you don't know your grades without speaking your step-sister? It's a laughing, stupid step-brother. Step-Sister's slap, do you remember? Today's punishment is the secret between us! No one can say that! Severe ear pain! Did you get dizzy all over? Look at your eyes. What a pity! But step-sister will never be soft. Ha ha ha! Stupid step-brother let my step-sister you! Step-Sister's Shou