I am now going to make several baseless assumptions about how this story will develop, and then complain about the author's poor handling of the story.
Oh wait, I don't have to, since a bunch of others are already doing that.
@Sabin Korean beauty products have their own style and Korea has probably some of the highest quality things. So it's not unreasonable to go to Korea to study.
Let me guess.... They can't find the bus and JUST SO HAPPEN to find a hotel that also JUST SO HAPPEN to be a love hotel..... And nothing will happen, somehow
Well, this was quite obvious and now author will introduce last girl to also represent last missing season as they names are based on them.
Could go with something better or more interesting, but well this is rom-com so it isn't really that much important overall.