Rito and the others visit Saki's private beach. Saki tries to win Lala in her Watermelon Split contest, but Rito, tossed in the air by Nana, destroys the watermelons. Momo summons an alien watermelon and Saki offends it, causing it to attack everyone. After Rito, Lala, and Ren attack the watermelon, Yami splits the watermelon into halves as she learns about watermelon splits. Haruna receives a 98 on a math test while Rito receives an absymal 18. He bumps into Yami, who tells him to seek Lala for help. To Rito's surprise, Lala receives a perfect 100. Peke explains to Rito about Lala's genius intellect. Despite Lala helping Rito study for tomorrow's exam, Rito blanks out, forgetting how to do the problems. Lala's progress with Rito continues to stall. Risa and Mio help Lala by giving her a book on seduction techniques. Lala tries many methods, but only makes Rito angrier. Then, Lala tries the "Tsundere Trick", but forgets the next step. Having failed, Lala cries. Rito sees the book and admits that he enjoyed having a surprise event, inspiring Lala.