Man's Best Friend (known as Inu mo Arukeba Fallin' Love (犬も歩けばフォーリンラブ, If Dogs Can also Walk I'm Fallin' Love) aka the Inu mo Arukeba series) is an explicit yaoi manga by Kazusa Takashima, and is published in English by Blu Manga, a now-defunct boys' love publishing division of Tokyopop.

The manga is split into three stories: For the English release of Man's Best Friend, Blu Manga decided to replace the original cover art, which depicted Kuro reclining shirtless in a with a gun holster covering his crotch, with new cover art depicting Kuro tearing off Ukyo's shirt with his teeth.

[2] Library Journal described the stories as contrived and said that the characters "exist to have sex.

"[3] Christopher Butcher regarded Man's Best Friend as being the "most unique" of Blu's releases, and as a "very creative" fetish.

[4] Dru Pagliassotti, comparing romance novels with Boys Love manga, mentions Man's Best Friend as an example of a kemonomimi "society", or setting.