the beginning is in 5, but i treated is as if it were in 4. I don't know anything about this song/game/meme… so here's some info from knowyourmeme: U.N. Owen Was Her? (U.N.オーエンは彼女なのか？) is the theme song for the Extra Stage Boss level stage in the Touhou Project, a series of vertical-scrolling 2D shooting games developed by Shanghai Alice.