There's Something Wrong with This Apprentice

In the previous life, Tangshan's master Ji Qiubai braved the heavy snow in the cold winter to rescue Yin Yihan and took him under his tutelage. Although his master had a cold face every day, the naive Yin Yihan still brought him breakfast every morning and snacks every night. Very attentive. But Yin Yihan never expected that his master was a black lotus. During the demon-slaying meeting, Ji Qiubai mercilessly sealed Yin Yihan's throat with a sword. Yin Yihan looked confused, full of sadness... And was reborn. In this life, Yin Yihan vowed to make Ji Qiubai pay the price! —— Ji Qiubai is a good young man in the 21st century, but fate twists his mind. Ji Qiubai traveled through time and became the master in an unknown book. Master... A high-risk profession that is well-known throughout the Internet. Ji Qiubai works conscientiously and does good deeds diligently every day, guarding the senior brothers who are suspected of being the protagonist as if he were guarding against thieves. I'm just afraid that they might have some bad thoughts about me. But one day, Ji Qiubai suddenly discovered that something was wrong with the way his young apprentice Yin Yihan looked at him. This wave is called "defend day and night, it is difficult to guard against house thieves". But Ji Qiubai discovered it too late. He had already raised this little kid from 1.1 Meters to 1.9 Meters. Ji Qiubai: It doesn't matter, he doesn't dare to do anything to me. Unexpectedly, Yin Yihan turned dark. He became a traitor who "offended the superior" and dared to be disrespectful to his master. Ji Qiubai: Bold evildoer... What are you going to do? ! ：，… *X * :