After becoming a Taoist partner with my senior sister, my master changed

[No system + Multiple female protagonists + Possessiveness + Routine + Slow pace + Genius + Disloyal disciple + Freeloader + Not a transmigration story] In his previous life, Lin Chuan, a staff member at Blue Star Dragon Elementary School, chose the wrong side and was implicated by his superiors. Just as he was about to receive a life sentence, he was sent to the Qingluan Continent by our God of Dump Trucks. The Qingluan Continent is a world where immortal cultivation is possible, with numerous sects. To gain a foothold in the immortal world, besides strength, background is paramount. "Kid, which faction are you from? You need background to make a living." "My senior sister Jiang Wanying" "..." "My master Xu Hanyi" "..." "Why are you silent..."