Senior Brother Resigned

Xie Jiuchen is the senior brother, so when the junior sister is in trouble, she must step forward and be on call at any time. Xie Jiuchen is the elder brother, so when his fiancée comes to break off the engagement, he must be humiliated and hold a grudge. Xie Jiuchen is the senior brother, so when his best friend kills him, he must be cynical and fall into adversity. Senior brother is like a brick, you can move it wherever it is needed. The key thing is that you have no idea whether you are the protagonist, villain or cannon fodder. Thank you Jiuchen Buddha, God knows he just wants to carry forward the sect according to the master's instructions! So the junior sister/fiancée/close friends all discovered that Xie Jiuchen was different. Junior Sister: "Where is the spare tire we promised?" Fiancée: "Where's the promised counterattack?" Best Friend: "Where's the promise of becoming a demon?" Xie Jiuchen: "I'm quitting. Go where you came from! Don't delay me from becoming the leader!" ※The sickly and weak male protagonist who is in charge of the family is the kind who will be weak if he doesn't take action. If he does, he will be weakened. ※No cp, cultivate immortals and upgrade, recruit disciples and abuse scum, develop sect. ※This should be a serious and humorous story...? Intention: independent destiny, not to be a plot character