I read it before I found a cultivation novel. The female lead transmigrated with a system and cultivated with five spiritual roots. The male lead is

Find an Immortal Cultivation novel
Previously, the female lead had transmigrated with a system and five spiritual roots to cultivate immortality. The male lead was from the upper realm and did not have many emotional scenes. He forgot that he had obsessive-compulsive disorder! Help!
The female protagonist had a system that hid her penta spirit root. Later on, she entered a sect and met the male protagonist during her experiential learning. I really can't remember the details

Answer 1

The female protagonist transmigrated with a system with five spiritual roots. There were many novels in which the male protagonist was an immortal cultivator that could be referred to as the following popular types:
1 " The Rebel Immortal "-Er Gen: This novel tells the story of a young woman with the five elements spiritual roots who accidentally transmigrated to a different world. She relied on her wisdom and perseverance to grow on the path of immortal cultivation and finally became a powerful existence.
[2]" The Legend of Mortal Cultivation "-Wang Yu: This novel tells the story of an ordinary person who obtained immortal fate through cultivation and stepped onto the path of cultivation step by step. The male protagonist of the novel, Han Li, was a classic example. Through his unrelenting efforts and firm beliefs, he eventually became a powerful cultivator.
3."Battle Through the Heavens"-Tian Can Tu Dou: This novel narrates the growth of a young man named Xiao Yan on the path of Immortal Cultivation. After obtaining a spiritual root and the ability to cultivate, he continuously challenged powerful enemies to continuously increase his strength and finally became a powerful Immortal Cultivator.
[4. Lord Snow Eagle-An Outsider: This novel tells the story of a young female cultivator, Xiao Ying, who grows up on the path of cultivation and eventually becomes a powerful Lord.] The main character of the novel, Mo Fan, was Xiao Ying's senior brother. The emotional entanglement between the two was also a highlight of the story.
The above are some popular cultivation novels that you can choose according to your preferences.