If Ling Zhenfei hadn't seen Hoshino Meigetsu beforehand, he wouldn't have recognized her in the garden. If someone did recognize her as Hoshino Meigetsu, the Watanabe Family would probably go crazy and definitely try to capture her alive.
However, Hoshino Meigetsu is an Ittō-ryū Celestial Maiden, and she surely has many survival strategies, even some secret techniques that aren't passed down; as a Celestial Maiden, it's impossible for her to have no tricks up her sleeve.
"Do you really think with your paltry skills you can keep me here? That's sheer delusion."
As Hoshino Meigetsu spoke, her movements, combined with those of her body, had already accelerated significantly, even creating afterimages, moving as fast as a phantom.
But Watanabe Ichiro and Jiro were no easy opponents either. Their movements quickened substantially as they fought with Hoshino Meigetsu, creating an intense and evenly matched standoff.