Why does Ryuyeon and Moyong reminds me so much of Wei Wuxian and Lan Wanji

Trueeee now that's you've mentioned it, I see it

IM NOT THE ONLY ONE THANK GODSSS

can i ask the title? wanna try reading it

Now that you say that, I can't stop thinking about it

Mo Dao Zu Shi
Or
The Grandmaster of the Demonic Cultivation

thanks^^

Their personality is quite similar.