Tsubaki and her fellow kunoichi are repeatedly taught that men are something ...
Kunoichi Tsubaki no mune no uchi
Season 1 Episode 8: The Strongest Team/Nee-sama
Team Boar is back in town, and if it weren't for a certain quirk they have in common, they would probably be unstoppable. When Rindou wonders why Sazanka calls Tsubaki "Nee-sama," she gets a story about how Team Dog first came to be.