2008-12-05 / PC / ADV / Sphere
2017-10-8 / 标签: galgame 穹妹 妹控 缘之空 sphere
2009-09-25 / PC / AVG / Sphere(スフィア)
2017-10-8 / 标签: galgame sphere 春日野穹 妹控 穹妹 悠之空