Ah this is a tough one to review because I really want to like this show.

[Just to disclaim, I watched Forever & Ever (FE) after One & Only (OO). I did not read the novel before watching the shows]

Pros:
- the show started off quickly. 5 minutes into the first episode and off we go with the main couple.
- Bai Lu's acting is a 10/10 here. She carried OO together with Ren Jialun but over here, she topped it off a notch further. Her glances, side eyes, smirks, smiles and styling were all 10/10 here. I enjoyed just watching her expressions and looks.
- it does justice to the pain we had to endure in OO.
- the side characters are pretty cute and funny.
- there are sweet awww moments between Shi Yi and ZSC.
- Ren Jialun had some good emotional scenes towards the end.

Cons:
- the pacing.is.so.so.so.slow!!! I had to skip and fast forward half the show.
- it probably should be a 20-episode drama instead of 30 episodes.
- Zhousheng Chen is too stiff here. He's abnormally stiff even for an awkward chemistry professor. He's so reserved about his physical touches yet, he has no qualms about getting in bed with Shi Yi (???).
- Ren Jialun's glances in FE unfortunately didn't carry any weight nor invoked any feelings in me this time.
- too many kiss-block moments it got a little lame and tiring after a while.