tenkuu_no_yumina
Bishoujo game by ETERNAL. Also titled "Yumina the Ethereal".
Japanese name: 天空のユミナ
Illustrations by Matsuryuu (Yumina, Kirara, Ayumu, Nayuta, etc.), Futatsuki Akira (Ai, Tsukuyo, Youko, etc.) and Komowata Haruka (SD characters).
See also
- Official site: http://www.eternal-will.jp/yumina/index.html