ζ±ζΉζ°·η²Ύε§ (γ¨γγ»γγ²γγγγγγ) Touhou Hyoushou-shi "Touhou Adult Ice Fairy" Originally an animated doujin series created by Yurume Atsushi in 2009 featuring an adult Cirno, Atsushi continues to release new content on PIXIV.
Atsushi refers to adult Cirno as "Long Cirno" (she has long hair).