Oniyama, the head of the secret organization, is notorious for his extreme caution. He never leaves any records, not even organization charts or trading partners. Everything is locked away in his mind, so the only way to get information is to extract it directly. "Oniyama is currently hiring a secretary at a reputable company. I'll get a job there, then infiltrate his underhanded dealings and become his direct subordinate to extract information." "Are you going to dive headfirst into the enemy boss's lap? That's reckless." "But there's no other choice!" Female agent Haruka infiltrates the enemy organization. She gets close to Oniyama, becomes his secretary and lover, and gradually extracts various secrets. After three months of infiltration... a chance to obtain crucial information arrives. However, that night...
