・The rules for "Ihen Mahjong" have been revised.
・The conditions for progression have been clarified.
・The progression conditions are now always displayed.
・No.16: The behavior of the hand during cutscenes has been changed.
・No.18, 19, 20: The round now progresses when the conditions for progression are met.
・Fixed a bug where selecting a different "Ihen" from the dictionary could cause the selected "Ihen" to fail.