Before losing his memory, he was abandoned by his biological father. After losing his memory, he was raised by his mother and brother with a frail body. After losing his memory, he knew nothing about himself or the world. He only knows that he has an elder brother who cares about him wholeheartedly and accompanies him to transfer to the ultimate class. What will he do when faced with someone who is familiar and close to him? After the gentleman is exposed, where will his fate go...