himawari -pebble in the sky-
A 2007 doujin PC game by Circle blank-note. Original character designs by Tatsukichi.
Subsequently, it was ported to the PlayStation Portable by Kadokawa Shoten X HOBIBOX under the title of "ひまわり (Himawari) -Pebble in the Sky- Portable" in 2010. Its two bonus scenarios were illustrated by Sazaki Ichiri.