found this after watching lfls I'm obsessed with joohwan and taevin

Should I read this? I didn't know there was a manhwa and I just stumbled upon this. I just literally watched the live action and I'm having second thoughts reading this. Are there some parts not included in the live action? Is it even ongoing? Will it update?

Manhwa is better, it's still ongoing but not being updated currently. The manhwa is way more fluttery and fluffy