even if it got axed the ending is still accurate (at least for me). the manga might have finished but their story doesn't end here. they'll make up then things will fall apart again and again, until maybe they break up. which i don't think they'll do. nana is scared of losing her and tsu just don't gaf even if nana sleeps with others or has an of. she can act better for one day then it'll all be alright for nana for a while because she only wants her truly. the cycle will continue.
the true winner here is tsu's ex