
Where can I find the novel? And from where should I pick up?

https://danmeinovel.com/manga/silent-lover-2-tanhua/
pick up from chapter 40 onwards

Worst redemption arc ever, where is the suffering?

Agreed. I mean, he did impale himself, so he might have, but we never got to see it. Only him crawling around his room, wailing like a child who’s lost his favorite toy. Really… couldn’t they spare a few panels showing him suffering more? I need more suffering. He r4ped Yooyoung in public. I feel that he should have gone through something equally horrific and mortifying.
Let the sh*tstorm begin