Girl Friend Beta (ガールフレンド（仮）, Gāru Furendo Kakko Kari, literally "Girlfriend (provisional)")[FN 1] is a 2012 Japanese smartphone game developed by CyberAgent for iOS and Android devices.

The player can engage in club activities and school class events to solicit romance and increase intimacy with female students.

A manga adaptation illustrated by Tsukako Akina titled Girl Friend (Kari): Shiina Kokomi-hen ~Koishite Madonna~ (ガールフレンド(仮) 椎名心実編 ～恋してマドンナ～, Girl Friend Beta: Kokomi Shiina Stories ~Fall in Love Madonna~) began serialization in the September 2014 issue of ASCII Media Works's Dengeki Maoh magazine,[10] released on July 26, 2014.

The second manga is illustrated by Sawayoshi Azuma and is titled Girl Friend (Kari): Chloe Lemarie-hen ~Chole to Nihon to Mirai no Tobira~ (ガールフレンド（仮）クロエ・ルメール編　～クロエと日本と未来のトビラ～).

An original net animation adaptation of Girl Friend Note, produced by Encourage Films, was released from October 14 to 21, 2016.

[23] An Internet radio show began broadcasting weekly from October 8, 2013 onwards, hosted by voice actors involved in the game.

[1] Virtual currency expenditures within March 2014 were valued at 1.8 billion yen, accounting for over 40% of Ameba's entire smartphone division earnings.