After Becoming the Senior Brother That Everyone Dislikes

In His Previous Life, Big Brother, Everyone Disliked Him and Was Hurt by Everyone, and Then He Was Reborn.

In his previous life, the eldest brother was disliked by everyone but still liked the master, and then was misunderstood and hurt by everyone. After his rebirth, he didn't bother to explain his decision to leave them and travel around the world, but he became a charming double male protagonist.