Hehuan Sect Started When the Junior Sister Came to Ask for Elixirs

[Cultivation of immortals + many women + system + time travel + alchemy] Ye Xuan has been practicing for seventy years, and his cultivation has been stuck at the seventh level of Qi training. The deadline is approaching! ! ! The beautiful junior sister came to my door. I wanted to indulge for a while before I died, but I didn't expect the system to come...!