(This story is about Naruto in the RWBY world as he will be born in it so no chakra but I will also make him a cyborg like in Black Ops 3 I am giving you all these choices as a base whichever you chose will set the story in stone.)
Character Base:
Ruin
Prophet
Nomad
Spectre
Fire Break
Black Jack
(Their will also be pairing single or harem is your choice here is a pole you can pick up to 9 if harem)
Pole:
Ruby Rose
Yang Xiao Long
Blake Belladonna
Weiss Schnee
Pyrrha Nikos
Nore Valkyrie
Cinder Fall
Neopolitan/Neo
Penny Polendina
Velvet Scarlatina
Coco Adel
Emerald Sustrai
Winter Schnee
Glynda Goodwitch (If not chosen she will be Naruto's mother)
(Naruto will have a host that invades his cybernetics every now and then to talk to him but he will be kept a secret until revealed but I will leave little easter eggs in the story to see if you can find it out.)