In 2009 his parents opened a dance studio "Infinity" in Voronezh, and Chernyshev switched to breakdancing that year, at the age of nine.

[1] Sergei Chernyshev participated in two seasons of the dancing competition show "Tantsy" on the Russian television channel TNT.

[4] Chernyshev competes in breakdancing competitions under the moniker 'Bumblebee', named after Bumblebee, a robot superhero in the Transformers franchise.

[6][7] At the 2018 Summer Youth Olympics in Buenos Aires, dancesport made its first appearance as a part of the games' competition program, with medals being contested in breakdancing.

[5] Chernyshev was the flag bearer for the Russian national team at the closing ceremony of the 2018 Summer Youth Olympics.