"Snow Bell"
The 2015 version of Yuki Miku. The theme for the design contest this year was "Plants of Hokkaido's Winter". The winning entry was a lily-of-the-valley design by Taran.
Her fan nickname is Pokkuru-chan in reference to the koropokkuru.
She has a lily of the valley motif with hair flower and a bell, wears a white capelet and snowdrop-shaped bubble skirt decorated with rowan fruit ribbons and buttons.
Her theme song is Snow Fairy Story by 40mP.
This tag implicates yuki_miku (learn more).