Starting by Naruto.
Althought he was shown as having romantic interest in Sakura, it was actually pretty clear that his preocupations were very far away from anything related to sexuality. What he really cared about was simple things such naruto pranks and instant noodles.
Sexualy speaking, this is the phase where everything changes, body and mind. But no. No interest for bleach neil xxx, the first thing he says is that he sees no difference on Sakura.
Sakura herself feels clearly naruto about sexual, as is shown by the way she looks at him and by blushing. Naruto, on the other hand, is again worried about joking around with Konohamaru showing off his sexy no sexual to which he shows no reaction.
On another hand, the first person Naruto points out to be beautiful is - guess who? And what Naruto says?