4 aircraft and 5 cabin layouts, from the A320 to the A321neo. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 4 Air Busan aircraft here: the Airbus A320, the Airbus A321, the Airbus A321LR and the Airbus A321neo.
The Airbus A321neo, with 232 seats: 232 Economy in its main layout.