Le plus beau toi du monde (2021)

Both dramas have a voice-acting theme where the leads come together through their dubbing pursuits and fall in love.

Both are romance drama with main leads active in the voice acting/dubbing industry.
In both dramas, both ML are prominent voice actor in the industry whereas FL in TMBYITW is also a voice actress and FL in LMLMV is more about composing and creating ancient style music.

Web series handsome male lead cute female lead
Funny story line first love in both drama nice characters