Gu Jian Su Yue | Senior Brother, Please Behave

Happy birthday to A Yanyan! You think I'd say something like, "I wrote this back in 2011, but only realized today that I never posted it"...? Theme: A senior brother who looks perfectly serious but is unexpectedly clumsy, and a junior brother who was adorable when he first joined the sect but somehow turned into a cold-faced little grouch one day. He still can't help sighing and rubbing his forehead as he cleans up the messes. Premise: