Demon Slayer Yan Sheng Is Not Lemon Essence

I am Yan Sheng of Jiguo, the eldest son of Jiguo. I have been taught a strict education since I was born, but I don't feel it is hard. Until I learned from my mother that I have a twin brother who is younger than me, Jiguo Enichi. This gave me a slightly boring childhood. Visiting my younger brother was something meaningful besides practicing swordsmanship. As time went by, I became more and more fond of this cute yet pitiful younger brother. I didn't dare to imagine what kind of life he would have lived if he was sent to a temple at the age of 10. Until that brat knocked down my swordsmanship teacher in front of me. Jiguo Yuanyi, don't I want to lose face? (Crushing the wooden sword in his hand with a dark face) There are time-travelers, Yan Sheng and Yuanyi are both reborn (memories are restored later), characters are OOC, and Yuanyi is updated. Concept: Thought means no thought