I found the missing chapters on the internet, the translation is awful tho.
Here's the summary of what happened between chapter 27-33:
Chapter 27-29:
Nothing of importance, just boobs, bewbs and more boobies.
Neko and Chiko has acknowledged each other's feelings towards Ryouhei
Also, karaoke episode.
Chapter 30-32: Boobs Beach Episodes!!
Here's the big reveal,
she has no voice. (Chapter 32, last page.)
Chapter 33 simplified pages:
https://imgur.com/a/MncU8Va
And I was like, "Dayum, that's hurt."