[TOMT] [GAME] Ten or more years ago, I downloaded an amazing standalone fully-Japanese sprite ninja game.

The game was mostly stealth and wall-jumping skill, with a simple palette and a retro-ish feel, but was very fast and slick. You could jump on the heads of enemies to kill them instantly. The game was decently short, and could be beaten in a couple hours if you were reasonably skilled, but it was otherwise very hard. There were a couple extremely badass boss fights. The whole game was fully in Japanese, of which I understand none, and I have no idea what the name of it was, but I think there was a capital 'E' somewhere in there. If you played it, the resolution was pretty tiny in a little windowed screen.

This is proving pretty impossible to find, as "japanese ninja game" comes up with millions of hits, and it's from a decade ago. I'll be absolutely floored if someone knows what it was or where I could find it.

Thank you!