Member Favorites: 14
Yoshino Naganohara (長野原 よしの)Yoshino Naganohara is Mio's older sister. She likes to wear costumes and often plays pranks on her sister; Mio often beats her up for it. Yoshino is very skilled at kendo. She is also good at cooking, but can't make marmalade.
(Source: Nichijou Wikia, edited)