It was interesting to understand the dating culture of another country. But in the end is all too fake. Key figures:
Song Ji A: she clearely don't like no one on the island.
Kang So Yeon: she don't like at all Oh Jin Taek. You can tell from her jokes. At least she tried too know other people.
Shin Ji Yeon: she don't like Moon Se Hoon. She tried to know more people, but after the guy confessed for the 100th time, she was forced to accept, trying to not be the bad girl. Feel bad for her.
Choi Si Hun: Song Ji A show no interst in him from the first times, but for some reason he fall "crazy love/stalker" for her. Too much fake, he wanted to play the part of the rejected guy for the memes, 100% he is not like that in real life.
Moon Se Hoon: Lvl simp 100. The example of the dating culture in Korea. A "real man" need to like only one girl, also if the girl clearely don't like him back. All that because Shin Ji Yeon says that she liked his pink shirt. C'mon man.
Oh Jin Taek: maybe the only guy that don't play a part. He tried to know more people, but to not becoming the bad guy, he settled with Kang So Yeon, also knowing that she don't like him at all.

All in all, is a good show. It's all feel too fake to me. 10 days are just too few maybe. I think the authors needs to let the people know more about each others. Instead all of the guys settled for 1 girl from the beginning for not real reason, fearing the public judgement.