I Just Washed My Underwear. How Did Master Achieve a Breakthrough?

I was tricked by my former master into taking forbidden drugs, which destroyed my spiritual roots and made me the laughing stock of the entire academy. Now, he wants to expel me from the joint academy! When I was completely devastated, a cold and beautiful peak leader protected me in public: "He is my disciple, who dares to touch him?" [Ding! It is detected that the host has a beautiful master, and the "My Master, I'll Pain" system is activated! Novice mission: Help Master wash underwear for seven days? I gritted my teeth: Do it! As long as I can turn over, let alone wash my underwear, I am willing to go through mountains of swords and seas of fire! Later, Master asked me with a red face: "Disciple, what exactly have you done to my master?" I spread my hands and said, "Master, I'm just going to wash my underwear. Why did you break through!"