Ta-dah! After Sailor Mercury, Mars, Jupiter and Venus, we finally get to see (and hear!) Sailor Moon! You'll notice that when she sings "I'm knocking" the second time, someone is actually knocking. There's another version of this song by Peach Hips, who also sing Tuxedo Mirage. You don't any knocking in that version...
New words :

不意 (fui) : suddenly (soudainement)
方 (hou) : side (côté)
秘密 (himitsu) : secret (le secret)
咲く (saku) : to bloom (fleurir)

Enjoy!