Complex sentence: On 7 October 2015, it was confirmed that Erie would change her position from performer to DJ and Kyoka Ichiki would graduate from her respective groups and E-girls, making Flower a six-member group.
Split into simpler sentences: On 7 October 2015, it was confirmed that Kyoka Ichiki would graduate from her respective groups and E-girls. Also Erie changes her position from performer to DJ, making Flower a six-member group.