Single or taken! mad friends

This girl's name is Ana, And his name is Dohoon.
Snow,cherry,jin-hoo,ruby,sumi,sugar like Ana's sister.
They are friends in one app, they are really funny and crazy,LOL
This story is almost a continuation of the story of a life like a movie.
The end of this story is not clear yet, this story is true, and I want to tell you the story of a true love that will change their lives.