Shinmai Fukei Kiruko-san

Shinmai Fukei Kiruko-san (新米婦警キルコさん, Shinmai Fukei Kiruko-san), or Novice Policewoman Kiruko-san, is a Japanese manga written and illustrated by Masahiro Hirakata. It started serialization in Weekly Shōnen Jump in on November 15, 2012.

Plot
Haruki Anjō was eagerly awaiting the day he would get his first junior in the police station at the rural town of Nagashima, so without a second thought, he accepted the responsibility of training and looking after someone who was just transferred to his post. However, not in his wildest dreams could he imagine that his new junior, Kiruko Otonashi, is a former mercenary without an ounce of common sense. Along with her superhuman strength, how will Haruki cover up for all the trouble she stirs?