[OOC warning: the pairings aren't fixed, and there are occasional coercive alpha scenes. Don't read if that's not your thing.]
Zhang Mubai: Who would've thought? I transmigrated one day and ended up with a younger brother I never asked for. Now I'm off to find him.
Zhang Qishan: Clan Leader, actually... we're still family!
Zhang Rishan: Me... me too!
Zhang Haike: I have the same face as him, so why can you accept him but not me?!
Black Glasses: Hehe, Mute Zhang! From now on, you're my little brother-in-law!
Wu Xie: Mubai, can you really bear to leave me? (Innocent puppy eyes)
Xie Yuchen: Don't you like listening to opera? Isn't my singing better than my master's?!
(The Wang family and Li Cu might be added later, but it's not certain. We'll see.)
Zhang Qiling: …
Everyone: Hey! Little brother-in-law, no need to swear so viciously!
Zhang Mubai: Hey, what's going on?! I just wanted to find my brother and raise a kid. Where did all these men come from?