Reporting to the Tokyo Metropolitan Police, Marunouchi Station, Life Safety Section, one day Sergeant Yashima Chihiro is ordered to guard freelance journalist Sasaki. Convinced his bodyguard job is for form’s sake only, when pipes suddenly come falling from up above, seemingly a failed assault attempt, he gets caught up in an unexpected situation. On top of that, he’s sexually harassed and bullied by his high-ranking superior Saitou? Will love come to life between Top Dog (Saitou) X Stray Dog (Yajima)?!