After Bossun drinks another one of Chuu-sensei's concoctions, his feelings and expressions become mismatched! And then, Bossun becomes an origami master, but can he overcome nervous jitters to win a major contest?
You should make folds in 
both the front and back.
Hay que marcar de ambos lados.
Deberías hacer dobleces tanto 
por delante como por detrás.
Marque as dobras na frente e atrás.