Manga chapter. As humbug23 says, business as usual; it was good to see one of the better chapters animated.
Spoiler for Hina stills:
These stills are said to be done by
倉嶋丈康(Kurashima Tomoyasu), a well known eroge ("H game") illustrator such as School Days. His name is in the ending credits, so should be true. No wonder the stills are.... ecchi (for lack of a better word)?
