My Younger Siblings Are All Protagonists, While I'm Just a Nobody

Ye Xinhai is a man with no dreams, no goals, and no drive. A mysterious white-haired old man gives him a black book that brings him to the Vast New Realm. But since his younger brother and sister are by his side, he accidentally brings them along too.

What? My younger brother is a cultivation prodigy with extraordinary talent?

What? My younger sister has terrible aptitude but keeps stumbling upon immortal opportunities?

Well, turns out I'm the most ordinary passerby of all...