Tadakusa and Yanna visit Sun Beach Nikkogawa, the pool known as the Waikiki Beach of Nagoya. There they find Yatogame completely at the mercy of her cousin Shiharu. For some reason, Shiharu hits it off instantly with Dobe, who just happened to be there as well... With Nanaho and even the teachers at the pool, the atmosphere is peaceful and friendly... but are they forgetting someone?
Are you Mona-nee's friend, too?
أنتِ صديقة لمونا-نيه أيضاً؟
Bist du ’ne Freundin von Mona?
¿También eres amiga de Mona?
¿También eres amiga de Mona?
T’es aussi une amie de Mona ?
Anche tu sei un'amica di Mona-nee?
Você é amiga da Mona também?
Ты тоже подруга Моны?