09. Kokoro Yome
Unlike Rui, Koko found that Oreos weren't sweet enough. To satisfy his (and a friend's) sweet tooth, he'd open several packs of Oreos and separated the cookies and filling, after which he'd send the excess cookies over to Misaki, and she'd give him her unwanted
At least five cream fillings put in between two cookies. Now that's how Oreos ought to taste like.