Tsubaki and her fellow kunoichi are repeatedly taught that men are something ...
Kunoichi Tsubaki no mune no uchi
Season 1 Episode 4: Men and Women/Mokuren's Medical Jutsu
Tsubaki inadvertently learns the truth about why she and her fellow students are told to believe men are scary. Mokuren has a relaxing day off lined up, but that's easier said than done when there's a never-ending demand for her skills.