A press release introduced it as her "boldest statement to date" and a disclosure of the musician's signature blend of "indie dad rock and experimental electronics".

[4] Soundwise, I Killed Your Dog finds the musician indulging in "swirling soundscapes" with a "more immediate rock and folk influence",[4] as it showcases "a crystallization of L'Rain's tactile approach to songwriting".

[6] "New Year's UnResolution", a "quiet explosion of synths and drums", served as the lead single and was released on June 6, 2023.

It forges into the topic of a relationship demise and echoes moments immediately after a breakup as well as the ensuing years when memories erode.

[7] The second single "Pet Rock" was unveiled alongside the album announcement on August 23, accompanied by a music video filled with miniatures.