Where in Roseanne found a message in a bottle by the Han river.

Wherein Roseanne Park had to transfer to the most prestigious university in South Korea, not expecting to bump into the trio of the richest and most powerful students called Blackpink.   “Who gives you the right to make people’s lives miserable?!”, Roseanne was fuming with anger, “Just who do you think you are?!”       “South Korea’s richest heiress. Google it, .”