Series: Overwatch - TWICE (Kaoruru (sakuno2911))

TWICE (트와이스) is a nine-member girl group under JYP Entertainment. They were formed through the competition reality show SIXTEEN and officially debuted on October 20, 2015 with the mini-album The Story Begins. And this is a pool that was comprised of pictures of Overwatch girls cosplaying and in other words parodying the members of this South Korean girl K-Pop group.

More info about the group: http://kpop.wikia.com/wiki/TWICE