Shiratsuyu, Shigure, Yuudachi, and Murasame from Kancolle HD Wallpaper

Four anime girls in matching sailor-style uniforms stand together. The girl on the far left winks and points forward, while the second from the left holds up two fingers in a peace sign. The third girl from the left touches her chin with a gloved hand, and the girl on the far right also holds up two fingers.