The Fake Half-Immortal of Teyvat

Chen Shi, a disciple of the Guhua Sect, considers himself nothing special. He's also lazy and unwilling to put in the effort to learn martial arts. But to keep from starving, he taught himself the ancient art of face reading. Once he'd mastered it, young Chen Shi figured he was ready to set out on his own and read anyone in the world like a book. Then one day, a visitor named Zhongli came up the mountain...

[The everyday life of a Teyvat native. No System, no soul transmigration.]