Kono Aozora ni Yakusoku o

is a Japanese adult visual novel produced by Giga, originally released on March 31, 2006. The uncensored version of the game was ported to the PlayStation 2 in 2007, the PlayStation Portable in 2009, and the PlayStation Vita in 2015 came with additional content.

An anime television series was made in 2007 under the title.

Plot
One day, a transfer student moves to town. Though sometimes arguing against each other, the students come to enjoy their slices of life on the island.