Narukometto hero

'Narukometto' translates as 'comet' making the title 'Comet hero'

Would it actually be called a secret Kunoichi training if your doing it for secret romantic feelings

Milky Honeys 1 by Fire Tiger

Several images and variations of those images along with a GIF with each set.

I also believe that the purple haired woman who is with Kakashi is meant to either Hanare who is or was a girlfriend/lover/lost love or the cat masked Anbu

Enjoy