From Shoujo Addiction:

Karen, who has always dreamed of being an actress, is lucky enough to have the chance of acting in a romance drama with two cute guys! But the guy playing the male lead, Kousei, is very unfriendly to Karen... Just when Karen follows the script and jumps into a river, Kousei actually goes to hug her, and helps Karen take a bath after both of them got wet!? What is going on... A show filled with romance and dreams is about to air soon!