Shower Sex - Larry Stylinson AU

Prompt: Louis is Mr.Popular and the star of the football team. Harry is the captain of the swim team. Louis never really payed attention to Harry until they get stuck in the locker room together.
*This is based off this AU meme set: http://luchalita.tumblr.com/post/43967458625/au-louis-is-mr-popular-and-the-star-of-the