I've looked for this game quite a bit and I can't find it anywhere as all the links are broken as they're more than 5 years old. Any help will be appreciated :).
Original Title: 時空特捜アテナさん
Romaji: Jikūtokusō Atena-san
Release Date: 2008/02/29
Company, Producer: キュキュキュのQのQ - Kyukyukyu no Q no Q
Dlsite link: http://www.dlsite.com/maniax/work/=/product_id/RJ037960.html
Original Title: 時空特捜アテナさん
Romaji: Jikūtokusō Atena-san
Release Date: 2008/02/29
Company, Producer: キュキュキュのQのQ - Kyukyukyu no Q no Q
Dlsite link: http://www.dlsite.com/maniax/work/=/product_id/RJ037960.html