Ash and Matoi have a surprise run in with Sarah who gets frazzled and scurries away at the sight of Matoi. While trying to chase her down, Ash encounters Maria and learns about the "sin" which heavily weighs on Sarah's shoulders.
Don't ever sneak up
behind me like that again.
Schleich dich nicht wortlos
hinter mir herum.
¡No te aparezcas así, de repente,
nunca más!
Ne te tiens pas derrière moi
sans dire un mot.