Haruka Nakagawa (Harugon) has annoucement her graduation from JKT48 and 48group today at JKT48 30 Request Hour Setlist. her reason to graduation is she want to learning about other country and won't back to japan. she will finished her project with JKT48 until 2016 (idk). she also wanna to helding her graduation concert at Gelora Bung Karno, central Jakarta, Indonesia.