Director Takeuchi was transferred from the main branch in order to rebuild our department, which was underperforming. He was beautiful and perfect at his job, his morale quickly increased and his performance quickly improved. Just then, Director Takeuchi went on maternity leave. The manager had previously told me that things weren't going well with her husband, and that she didn't want children and that she would live to work. ``Absolutely strange. 》I was not convinced, so I consulted my direct superior, Chief Yuki, and began searching for the truth. Let's start with Director Takeuchi himself. However, as the investigation progresses, the crazy ``darkness'' of this department gradually becomes clear...