During the school's lunchtime broadcast, the topic of mermaids are discussed. But when Manatsu learns that the broadcasting club members are frustrated over no one listening to them, she comes up with a plan.
Manatsu se interesa por el club de radio de la escuela, así que su nueva obsesión es hacer que su club participe en la radio un día.
As meninas do Clube Tropical atuam como apresentadoras do programa de rádio da escola por um dia!