Better than I expected, worse than many people predicted. I watched because there is not many episodes and I liked Roh Jeong Eui in Our beloved summer. Typical drama about rich kids, bullying etc., nothing new, you easily can leave without watching this.
Spoiler - I wish RJE ended with Lee Chae Min's character, also Ji Hye Won and Lee Won Jung should end together - after the time I feel like they were more interesting than main leads.
Ending - it is either a open ending or we will get second season, 50/50.