Haken Wars – Forbidden Business File (2003)

Megumi arrives at a food manufacturer and is deeply in love with her section chief, Oda, who is well-liked but also has powerful adversaries. These enemies, backed by Managing Director Suminaga, are plotting to remove Oda, a key figure supporting the president, and seize control of the company. Oda is ultimately suspended for a month as part of this scheme. With the company's future at risk, Megumi takes it upon herself to protect both the company and Oda, fighting the threat alone.