I Transmigrated to a Cultivation World and Courted Someone Else's Galgame Heroine

[Multi-heroines + brainless power fantasy + System] Hao Renqi transmigrates to the cultivation world and becomes a servant disciple.

With mediocre talent and rock-bottom cultivation, even his junior sister dares to insult him.

Luckily, he awakens a System and obtains a Sacred Constitution.

From then on, his cultivation advances by leaps and bounds, his strength skyrockets, and he charms beautiful women wherever he goes.