Newly appointed policeman Kaidou has to work with his senpai whom he absolutely cannot work with everyday regardless of at work or at home. Under the circumstances where there's not a single room available, Kaidou has to temporarily live in with his senpai - Himuro's room. Although Himuro is good looking and extremely talented, he bad mouths and Kaidou and him are like fire and water. However, on a certain morning, Himuro suddenly hugs Kaidou and forces a kiss on him?!