"Eternal Check-in System: I Start From Being Expelled From The Sect" tells the story of the transmigrator Xiao Yan, who is framed by his sect and driven out of the mountain gates, unexpectedly awakening the check-in system. Without needing arduous cultivation, he can obtain immortal techniques and treasures through daily check-ins, accompanied by spirits. During his travels, he encounters Su Qingyao, and the two become Dao companions, joining hands to establish the Zixiao Dao Sect. Su Qingyao sits on the throne of the sect master, while Xiao Yan lives in seclusion in the back mountain, only stepping out to pacify matters when trouble arises. Traveling far and wide, he successively takes in six disciples with tragic backgrounds. Together, the master and disciples cut down demons along the way, uncover the world's secrets, and finally battle the ultimate boss, Xu Yuan Daozun, guarding the peace of the world and writing a carefree and untrammeled legend of immortal cultivation.