"Bling-Bang-Bang-Born" is a song by Japanese hip-hop duo Creepy Nuts from their fourth studio album Legion (2025). It was released as a single on January 7, 2024, through Onenation and Sony Music Associated Records. The song served as the opening theme for the second season of the anime television series Mashle: Magic and Muscles, subtitled The Divine Visionary Candidate Exam.
The song gained popularity in Japan and internationally through the "BBBB Dance" Internet challenge, resulting in the song peaking at number eight on the Billboard Global 200. In Japan, the song reached their first number one on both Billboard Japan Hot 100 for 19 non-consecutive weeks, the second longest-running number one in history after Yoasobi's "Idol" (22 weeks), and Oricon Combined Singles Chart for four non-consecutive weeks. The song was the best performing songs in Japan in 2024, and certified diamond for streaming by the Recording Industry Association of Japan (RIAJ).
On November 11, 2023, it was announced that Creepy Nuts would perform the opening theme, titled "Bling-Bang-Bang-Born", for the second season of Mashle: Magic and Muscles. The song became available on digital music and streaming platforms on January 7, 2024. The music video, collaborated with Mashle, was uploaded on March 3. Subsequently, the single was released alongside "Nidone" as a double A-side CD single on March 20.
"Bling-Bang-Bang-Born" is a Jersey club track, depicting the protagonist Mash Burnedead, a young man who was born without magic in a magical world, fighting against a dark magical organization; the duo personally found Mash's predicament relatable to their careers.
Creepy Nuts debuted the performance of "Bling-Bang-Bang-Born" at ' on March 3, 2024. The duo also performed the song at the 66th Japan Record Awards on December 30 and 75th NHK KÃ Âhaku Uta Gassen the next day, as their first appearance of the television special.