My Brother Is Not Normal!

It's so tiring to show off my heart! ! Suddenly traveling into this world, bound to a system, and picking up a younger sister for nothing, Zhang Yang was still very happy. However, this sister doesn't seem to grow up. He wanted to be hugged every day, and even if the door was not locked at night, she would come over and get under the covers. Well! ! ! This makes it difficult for Zhang Yang to do it. . . ---------- This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.