The Cannon Fodder Senior Brother's Character Has Crumbled Again

What?! The elegant, otherworldly senior brother's soul traveled to the modern world!!! What?! The senior brother has transmigrated back again!!! Once praised by everyone as a noble gentleman and a model for the immortal world, he went on a trip to the modern world and completely let his true nature run free. Fang Qian discovers that he's nothing but cannon fodder in a book! In love with the protagonist's childhood sweetheart, jealous of the protagonist's innate spiritual roots, and constantly bringing trouble upon himself by bullying the protagonist, he ultimately becomes a worthless stepping stone on the protagonist's path to immortality. He has a secret crush on a little kid? Was the book crazy, or was he? If he's going to go crazy, he might as well go all the way. Courteous? Modest? Who's that? I've never heard of him. Fang Qian: I think the Demon-Seeking Cave would be a great fit for the protagonist with his excellent spiritual roots~ A bored bottom who loves to flirt x a wolf cub top who is