40 Entre Las 2 is the debut album by K-Narias, a reggaeton duo from the Canary Islands. The album features urban Latin music with lyrics that address social issues, including women's rights. As part of their advocacy against gender violence, the duo launched the campaign "No a la violencia de género", aimed at raising awareness among young audiences. The campaign included the song "Todos Tenemos Que Luchar", accompanied by a music video directed by Eddy Cardellach.