It's mostly just Teto and Miku covers as Teto as Silly Billy and Miku as Bf-

Or Teto as Yourself (Silly Billy) and Miku as the gf (in the my way part)

If there is one lemme know ig

What I'm referring to:

https://youtu.be/Sk33jbu0j8g?si=Ipo-yu3EqkgX_-rj (One with Lyrics. Teto as Silly Billy miku as the gf in the my way part)

https://youtu.be/zrcOi-q8fts?si=-mya3I5egONm2YQx (teto and miku)

https://youtu.be/OFAL2tcOQsc?si=S2IzFbZ5qCuLbLpg Another Teto and Miku one