Let You Be an Eunuch and You Turn Yongzheng into a Puppet?

The social animal Lin Feng died suddenly while working overtime, and when he opened his eyes, he turned into a young eunuch about to be purified in the Forbidden City! At the moment of life and death, the [Forbidden City Sign-in System] is activated! Bite! Sign in at the Jingshi Room and obtain the god-level breath-condensing technique, perfectly avoiding the disaster of purification! [Ding! Assign Broken Yuxuan, sign in at Zhen Huan's boudoir, and get the key prop 'Chun Yuan's Old Clothes'! [Ding! Sign in at Yikun Palace and get the complete formula and antidote of 'Huanyixiang'! Concubine Hua is arrogant? I'll cut off your spice first, and then I'll keep you awake at night! Is the queen sinister? I know the secret of Chunyuan you hide better than you! Is the emperor suspicious? Sorry, the entire harem is my spy, I know exactly what you are thinking! Starting from a young eunuch, he secretly supported Zhen Huan, stirred up the turmoil in the harem, and finally became the only "king" in the Forbidden City!