Strip Pillow Fight. Lulu Chu, a new cheerleader, is busy tutoring Harmony Rivers, captain of their cheerleading squad. Harmony is so thankful for the help since she is REALLY struggling with math and can use all the help she can get! But in exchange for this boost, she agrees to help Lulu with a confidence problem they're having. Eliza Ibarra, Emma Hix, and Gabbie Carter are feeling a little bummed. They had planned to have their annual water fight but ...