Kono Aozora Ni Yakusoku O

Kono Aozora ni Yakusoku o (この青空に約束を―, The Promise I made over this Blue Sky?) is a Japanese adult visual novel produced by Giga, originally released on March 31, 2006. The game was ported to the PlayStation 2 in 2007 and the PlayStation Portable in 2009 came with additional content although the adult content was removed. An anime TV series was made in 2007 under the title Kono Aozora ni Yakusoku o: Yōkoso Tsugumi Ryō e (この青空に約束を― ～ようこそつぐみ寮へ～, lit. The Promise I made over this Blue Sky ~ Welcome to the Tsugumi Dorm ~?).