KCon Paris was my first ever KPop concert. It was specially organised to commemorate 130 years of Korean-French relationships, so the president was also there.
If you're a teenage guy looking for a girlfriend, KPop is the place to be; I imagine 95% of attendees were teenage girls, and the other 5% were parent chaperones and some guys.
I'd been hoping to meet more people my age, but I only met parents who weren't really interested in KPop, which was a bit of a disappointment (and schoolgirls... lets leave it at that). Also disappointing was the convention, which was too limited in availability for the demand. Hopefully the next time it will be expanded to fulfil expectations!
Queuing for the pit is pointless unless you intend to get your paws against the stage. Being content to stay out of the way, the only problem I had was some strange girl who thought they should wave their hand in front of my face, despite there being plenty of room to do that elsewhere.
Being in Paris, obviously lots of French-speaking attendees, but most people spoke German! Obviously a strong following there. There were however lots of empty seats. I talked to somebody who said their friends had bought tickets, but their parents didn't allow them to come. Considering this is the time leading up to exams, this might be the reason.
If you follow other concerts, the format will be familiar, with songs, introductions and special stages.
BTS and Shinee had the best performances technically. They looked in sync and performed well.
Amber had the biggest following here in Europe (I believe she's less popular in Korea), and really engaged with the fans well.
IOI, being the new group with practically no discography found it difficult. They hardly moved during their performances, and whilst I can understand not having a dance, you can take that opportunity to walk around stage and show yourself to your fans. As such the best part was their introductions, which ost of them failed at with their poor French (but that was OK). The most impressive was the last girl, who sounded good at French, and the most memorable was the one who checked her hand after she forgot her lines.
FTIsland .. Did he sing the same song 3 times? He got the fans jumping and shouting though.
The best song was probably Taeil and Luna's special stage, but I expect that's a personal opinion most people won't share. I think they claimed this was a new song, but my French is lacking, my Korean is worse, and I wouldn't know even if they'd performed it before elsewhere.