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 from the creator of Wild Rock, Kazusa Takashima, and is published in English by Blu Manga, which is a now defunct boys' love publishing division of Tokyopop.