Nihongo No Mori N2 Link _hot_
"Nihongo no Mori" (日本語の森) N2 grammar video series
It sounds like you're looking for the and specifically the "piece" — which might refer to a specific video, playlist, or a part of their structured course.
Note:
"Nihongo no Mori" (日本語の森) is now officially operating under the channel name "Nihongo no Mori - JLPT Study." nihongo no mori n2 link
Listening is the hardest section for most learners. Nihongo no Mori has a "Shadowing" series specifically for N2. "Nihongo no Mori" (日本語の森) N2 grammar video series