Yoshimoto is ready for her battle against Nobunaga, but Sessai knows she isn’t ready. Kotaro takes Yoshimoto on a trip to the mountains, while their Yoshimoto will learn much about her weaknesses.
In other words...
Quiere decir que no pude pescarlo 
por estar pensando solamente en eso.
Quiere decir que no pude pescarlo 
por estar pensando solamente en eso...
Em outras palavras...