I believe threads like this where created before.
YOU = kimi (or "anata" is she felt formal)
HANABI = HANABI (

)
I am... = watashi wa.... (?, or "atashi wa..." in formal form)
Dolls = Ningyou
(though I don't know the plural)
GAME = GEEMU
1 LOVE = 1 AI (or "1 KOI")
Secret = Himitsu