Kenichi: The Mightiest Disciple S01 E39 Shigure's Personal... Lesson!

"From Wimp To Warrior. Sort of."

While Miu takes the kitten to a vet, Kenichi tries to protect Kisara from the Valkyries unit, but his oath to not hit women puts him at a serious disadvantage against them, until Shigure comes to his aid.