While Spain has a "cita privada" (private copy) exception, distributing or downloading from unauthorized sources is illegal under Spanish Intellectual Property Law (Ley de Propiedad Intelectual). Assimil actively issues DMCA takedowns.
If you obtain the legal version (PDF or physical), do not rush. Here is the daily ritual: Assimil El Nuevo Japones Sin Esfuerzo Tomo 2 Pdf
While Assimil claims B2, many learners consider it a solid bridge to B1 or intermediate level. While Spain has a "cita privada" (private copy)
Assimil is a protected commercial product. Downloading unauthorized PDFs may violate intellectual property laws. Assimil El Nuevo Japones Sin Esfuerzo Tomo 2 Pdf
You begin to form your own sentences by translating from Spanish back into Japanese.