I think the background color shouldnt be a single colour.. I mean, maybe it needs some shades of some beige/cream colours bcoz they show a warm feeling of cafe...(?)..

And maybe u can put a cup of tea/chamomile tea etc..

Ohh, may i know whats your fic genre?
Is it romance? Or RomCom?
The choice of characters's picts are based on your fic's genre..
:)

Uhmm i think thats all my advicea but overall, you have done a good work Saeng..

I even cant make one like yours

:D

The background should really look like cafe...

I feel like the background shouldn't be a single color...I think it should be different shades of pink going across as stripes...stripes are good or just a patterned background would make it better I think

It looks awesome already...hmm... maybe like a list of qualities he's looking for and some are crossed out or there's a question mark next to some