Complex sentence: K-pop stylized album signings for "lucky" fans--conducted in Ho Chi Minh City and Hanoi on April 1 and 3,2017 with an extra seven hundred copies were being ordered online via his website afterwards.
Split into simpler sentences: K-pop stylized album signings for "lucky" fans--conducted in Ho Chi Minh City and Hanoi on April 1 and 3,2017. An extra seven hundred copies of the album were also being ordered online via his website afterwards.