Yandere! Ranma x reader

You're a close friend of the Tendos, and you find amusement in talking with the girls about Ranma and Akane's arranged marriage while hanging out on the beach. However, things take an unexpected turn when Shampoo's grandmother plays a mean trick on Ranma by giving him a love pill. Suddenly, Ranma's lips are pressed against yours. what an earth is happening??