How Do I Know Why I Am a Twin?

The moon is still bright and the stars are twinkling in the night sky. The lights were shining, and tall buildings came into Jiang Luan's eyes. Looking at the bustling scene in front of him, tears quietly fell to the ground. He held his forehead and cried loudly. Jiang Luan stared at the ground blankly and murmured absently. Although the voice was very low, unlike ordinary people, they could still clearly hear what Jiang Luan said. ... If I could prevent my eldest brother from going to the appointment... If there hadn't been that ambush... If I wasn't that important in my eldest brother's heart... If... I hadn't been so impulsive at the time, my eldest brother wouldn't have died! … Are you... Really sure you want this? Who knows... This is the first time the author has written a novel. If you have any comments, please comment and I will try my best to correct them. Also, try to be mindless when reading. I am afraid that my novel will be crushed by my IQ, and I may even become depressed and stop reading for a few days. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.