Use the exit in front of you after you go out of the arrival lobby.
Turn left after exiting and board the "Marugame/Sakaide Limousine Bus" departing from bus stop #4.
You will arrive at "Ayagawa Station" in about 26 minutes.
Walk towards North from "Ayagawa Station" and you will arrive at AEON MALL Ayagawa in about 3 minutes.