The deal was to get 5 new members for the Karuta club.  Chihaya has to figure out a way to keep the room and deal with the band club.
We're staying at an inn by Lake Biwa.
Nos quedamos en una posada por el lago Biwa.
Nos quedamos en una posada
 cerca del lago Biwa.
Estamos numa pousada junto do Lago Biwa.