Hanzo, the assassin sent against Chiyo by her former ninja clan, cannot defeat Chiyo in single combat. He decides to cleverly attack Chiyo through her friends, Chiyo's only apparent weakness.
I'm glad I decided to tell Sis 
we're switching back.
Bin ich froh, dass das mit
dem Tauschen vorbei ist …
Me alegro de haberme cambiado
con mi hermana.
Me alegro de haberme cambiado
con mi hermana.
J’ai bien fait de proposer
à Tsubasa d’arrêter.
Sono contento di aver chiesto
a mia sorella di scambiarci.
Ainda bem que falei pra
destrocar com a minha irmã.
Всё же хватило храбрости
отказаться.