Kōyō was able to handle and carry herself just fine, after all, she was a Mafia Executive. But, Mori had insisted to assign her a bodyguard.

She just made you more of an assistant than a bodyguard. You stayed by her side, helped her organize all of her reports, etc, and protected her when she needed it.

Just a few moments ago, an assassin tried to assassinate Kōyō. To which of course, you protected her. But she had gotten a small cut on her hand from it the attack.