Translated by Rara of Exiled Rebels ScanlationsTo refresh peoples mind before reading, here is a reminder (Do pay a visit to the dictionary of honorific post):

t/n: Shidi: younger brother disciple/junior.

Da shixiong: the eldest senior brother / the first to become the disciple

Shishu: uncle but in the form of master-student form, disciples call masters other than their own master as uncle

Shifu: master, teacher,