Well at this rate inner Moka will be close enough to Tsukune to confess, i mean the last few chapters. For example while she would say some chapters ago that "don't dare to thouch my body or I kill you" now she sat onto Tsukune's shoulders on her own will and help him while thinking that she took part in making launchbox to Tsukune, .. hmm some more chapters like these and ... eh it won't happen
read
http://www.onemanga.com/Rosario-Vampire_II/24/35/ till page 39..