For further discussion and fan theories, you can check out community threads on platforms like Reddit's NANA Episode 20 Discussion or the NANA Wiki . The Lessons "Nana" Teaches - Scene+Heard
: Hachi bonds with Nobu while getting drinks to cope with her frustrations, a relationship that many viewers see as a healthier alternative to her other connections. Simultaneously, she is disturbed to realize that Shin is effectively working as a gigolo to support himself. NANA Episode 20
: As Nana K. becomes increasingly entangled in the complicated personal histories and drama between the bands Trapnest and Black Stones (BLAST), she neglects her responsibilities. This ultimately leads to her being fired from her job at the publishing firm. For further discussion and fan theories, you can