The manga and web novel are being produced together and release the same chapter on the same day, so you won't get further than the manga already is, you just get a version that's a bit more fleshed out in terms of dialogue and inner monologue.
So.. why did she go through a characterization change here? She gets upset when Wakana shows her neck but goes straight for the boob bite? Is it a dislike of affection/love itself? But then the mating thing... Bleh, hopefully they explain it a bit better later.