The supporting character's harem is very normal - Chapter 472 Meeting Amleth

Once I’ve become Immortal, then my attempt to conquer the world shall begin.

I am Master Siwei, and I speak for arcane arts.
This is an era of heroes and heroines.
This is an era of great changes.
In the end, it will be an arcane era opened by me.

- Description from Novelupdates

Chen Ye transmigrates over and unexpectedly became a figure in a dark Xianxia game.He is a mere Medicinal Farmer, yet he has two disciples, who will be two legendary Fairies.The first disciple, Lu Zhiwei, is the foremost Righteous Fairy in the world.The second disciple, Xu Qingjun, is an evil-doing demon path enchantress.However, looking at the two shivering little girls curled up into a ball, Chen Ye realizes that he transmigrates five hundred years earlier.And unfortunately, the former owner of the body seems a harsh master to them so that the tea served by Xu has been poisoned.“This tea...”“It's too bitter, I won't drink it.”