I Only Confessed My Love To Master In My Later Years, And The Golden Finger Is Finally Here

[Multiple female protagonists + decisive killing + counter-routine + time-traveling + fighting against masters and apprentices + not brainless + swordsmanship]
Lu Changsheng traveled to a different world and accomplished nothing except being a gigolo to the most powerful female prodigy in the world.
When he was about to die of old age in his eighties, he was left by the beautiful master to fill the bath water and provide one-stop services such as bathing, massage, and SPA.
Can he bear this? Immediately jumped into the swimming pool, acted like a rebel against the master, and forced the beautiful master to be promoted.
Beautiful Master: "Lu Changsheng, please think carefully. If my body breaks down, the Supreme Leader will kill you!"
Lu Changsheng: "My disciple is over eighty years old. If he doesn't kill me, I won't have to die."
>Beautiful Master: "You look like a man now! It's not in vain that I have waited for you for so many years as my master!"
"..."
Lu Changsheng would never have imagined that after he successfully challenged the master, Golden Finger would come immediately...