I Was Attacked by My Brother

"I'm normal, but the son that woman brought back was not normal. He had problems. He actually wanted to bend me, but his refusal was fruitless. So I got closer and closer to him. He came to my room late every night and asked me to teach him math problems, but it gradually became more and more excessive. I thought about letting him go back to his room to sleep, but he said that in order to further improve his grades, isn't it human nature for an older brother to help his younger brother make up lessons?" Intention: As long as people are here, water will always flow, and this feeling will never end