Walkthrough
http://seiya-saiga.com/game/pulltop/konosora_fd.html
Website(s)
http://dlsoft.dmm.co.jp/detail/will_0167pack/a2aaaeaaiiia-001
http://www.pulltop.com/15thFes/15pack/index.php
http://konosora.jp/fd/
http://konosora.jp/sp/
http://5pb.jp/games/konosora.cs/