Bossun and Himeko's personalities are still switched on the school ski trip, so imagine the complications when it's time to change clothes or take a bath! And complicating matters is Saaya, who has a crush on Bossun but doesn't know that he's effectively Himeko right now!
Episode 63: School Rhapsody, Part 1
Episodio 63: Rapsodia del 
Viaje Escolar (Primera Parte)
Episódio 63: A Rapsódia da Viagem do Colégio, Parte 1