Based on the novel Behind The Scenes by Afterday and -West-, it tells the story of two boys who came from warring, neighboring families and found themselves competing for almost everything, but developed romantic feelings for each other along the way.

[6] The rivalry of Pat (Pawat Chittsawangdee), a cheeky and impulsive guy, and Pran (Korapat Kirdpan), a neat and tidy perfectionist has been passed down from a previous generation.

When an incident happens at the age of 12, their hatred begins to dissolve: Pat's little sister, Pa (Pattranite Limpatiyakorn), starts drowning in a pond.

[19] It further become the most-streamed Thai television series and drama on 23 November 2021[20][21] and the most-watched title on the platform on 13 December 2021 after the release of Episode 7.

[24] Stories about Ink and Pa, a yuri couple in the series, have been made into an episode called "Zero Photography" of the miniseries Magic of Zero, released on 11 August 2022, with Pansa Vosbein and Pattranite Limpatiyakorn reprising their roles of Ink and Pa.[41][42] Bad Buddy was included in the roster for the second part of their series, Our Skyy (entitled Our Skyy 2).

Jasmine Floretta, writing in Magdalene, called Bad Buddy "a Boys Love (BL) version of Romeo and Juliet" that "that transcends its own genre, combining brilliant acting and well written storyline.