This line of figures is released as a line of JAMMA Prizes -- often given out through UFO Crane machine in arcade store. Since it is so difficult to obtain the prizes, they are often greatly sought-after even in Japan. The line is crafted in higher quality than other JAMMA Prize product line.
Konno Yuuki (紺野木綿季), known as Yuuki (ユウキ) in «Serene Garden», «Asuka Empire», «Insect Site», and «ALfheim Online» (ALO), was the deuteragonist of the Mother's Rosario side story, and the protagonist of the Sisters' Prayer side story in the franchise. She was the younger sister of Konno Aiko and one of the three founders and the 2nd leader of the «Sleeping Knights» guild, a group of terminally ill patients who met in Serene Garden, a virtual hospice for the terminally ill, and played various virtual reality games as a form of palliative care.