It's amazing how you can generate that much of a story about two girls groping each others boobs. The classic argument "you're cute" "no you" divert to "your boobs are cutes" "no yours are" is genuis.
And thus peace was restored in the Big Tiddy Kingdom. The Super Sand Lesbians proceeded with a tiddy rubbing orgy. By some miracle, their mammary glands received the ability to impregnate each other through lactation and the next generation of lesbian tiddy gropers was born...
This is a very good chapter. Harumi always thought that Chiaki may only like just her boobs and felt insecure. Now, they understand each other more than before. I wonder what the story will be after this