 On October 24, 2012, she announced that she would leave the group due to her poor physical condition.She played the lead role for the first time in the film "Joshi Camera", and it was released on November 24, 2012.Mitsumune made a comeback to the entertainment industry appearing in the film "Gekijōban Ataru The First Love & The Last Kill" released on September 14, 2013.