Not Even Able to Do Such a Simple Question?

Su Chen traveled through a parallel world, obtained the eight-year-old protagonist template, and was bound to the super academic system. The first task is to educate the beautiful girl and the scumbag sister as a strict teacher. "If you can't even do such a simple question, what's the use of looking good? Give me a hundred questions of this type, and you won't be allowed to sleep until you finish." "Can't write an 800-word essay? I'll give you a week to read these ten selected excellent essays! After you finish, write me a 5,000-word essay." "Why are you crying? You only passed 130 this time? Stretch out your hand! Next time you don't get a perfect score, I will spank you." Then my sister Su Yun began a hellish life. "Uuuuuuuuuuuuuuuuuuuuuu brother, my sister is done. Can you let her play for a while?" "Brother Su Chen, my sister is buying you a new toy today, so please spare her just once." "Don't spank me. My sister will definitely get perfect marks next time. I promise... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.