The Disciples Are so Strong, but as a Teacher I Feel so Panicked

Master-disciple romance + nurturing female protagonist + low profile version of prehistoric era + relaxing + non-refreshing story Young Lin Feng awakens to the god-level apprenticeship system. As long as the apprentice practices, he can get rewards while lying down! Unexpectedly, the condition is that the apprentice he accepts must be a demon! Tushan's nine-tailed ice fox can turn water into ice. It is so cold that it can change the climate of a place. The stone monkey is an intelligent and intelligent person who understands changes, knows the time of the sky, knows the favorable terrain, and can move the stars. There are nine yin candles in Zhangwei Mountain. Opening your eyes is day, closing your eyes is night, blowing is thunder and fire, and shushing is wind shadow. ... Every apprentice is a boss! Lin Feng: Disciples, please slow down your practice! I can't beat you as a teacher! The teacher is so panicked!