Five girls met online and a story unfolded.
Five girls from different backgrounds, but they are close to her.
As time passed, the five girls turned into five teenage girls, which turned into five women. They headed towards their respective endings, one after another leaving this previously inseparable "five corners", and finally, they all dispersed.
I don't know if they still remember that they met that group of people on that website, and then they had a heart-to-heart relationship with each other...