Futakoi Alternative (フタコイ オルタナティブ) is a Japanese anime television series created by character designer Mutsumi Sasaki and planner & scenario writer Hina Futaba.

The series was produced by MediaWorks, King Records, Lantis and Yomiko Advertising and animated by Feel, Studio Flag and Ufotable.

[1] Futakoi Alternative tells the story of Rentarō Futaba and his detective agency.

Classifying Futakoi Alternative as a specific genre is extremely difficult, although at its core, it is most similar to a romantic comedy.

[2] Protagonist Twins Heroines Other A video game adaptation for PlayStation 2 titled Twin Love Alternative: Love, Girls, and Machineguns (フタコイ オルタナティブ 恋と少女とマシンガン, Futakoi Orutanatibu Koi to Shōjo to Mashingan) was released by Marvelous Interactive on June 23, 2005.