Pixiv Title: むちぷに
Commentary: 原作の六花ちゃんはスットン共和国の住人ですが。アニメはなんか、むちむちしててけしからんです。

Pixiv Title: Soft and Curvy
Commentary: Though in the original, Rikka is a resident of the Sutton Republic, in the anime, she's kinda curvy and I like it.

The 'Sutton Republic' is a reference to a line from Rou-Kyuu-Bu! and is similar in usage to 'member of the Itty Bitty Titty Committee'.

http://dic.nicovideo.jp/a/スットン共和国