While being swept down the river, Natsume managed to feel the presences of Hudzuki-gami.  Natori must make the choice to follow Natsume instincts or seal Fudzuki-gami.
I thought you might be 
taking advantage of his
Dudo que estén tramando algo malo.
Pensé que queríais aprovecharos de él,
Imaginei que estivessem se aproveitando da bondade dele