Identify Platformer game with main-menu interaction?

mooooooo

Newbie
Jan 17, 2018
30
14
I' m struggling to remember this platformer game that I played a while back. Pretty standard Game Over stuff with a female MC, but what was unique was that you could earn keys in game that let you "open" a door on the main menu to play with the MC who was chained up behind it. Can't remember if it was translated or not but I remember it not having much story. Could possibly have been from ULMF, unsure on that.