Waka happens to observe Kashima's conversation with Seo and Sakura about the trip. He feels Seo and Sakura should be more careful around a boy like Kashima, whereas Mikorin is too cautious. The next day he joins Sakura, Seo, and Kashima as they pick out their swimsuits. He feels he won’t be judged as a pervert because Kashima is there too