Because Yosaburo was unable to forget Otomi even for a moment, he was surprised to see Otomi, and also got angry to know that she became a mistress of someone.
片時もお富を忘れることのできなかった与三郎はお富を見て驚くと同時に、またしても誰かの妾になったかと思うとなんとも肚が収まらない。