The plot driven story does not diminish the characters, Ash is the bravest person in any series and never a victim but always and forever the hero of his story. That he and Eiji essentially had multiple arcs to deepen what they have is also nice, goodness knows they both deserve happiness and they got that. That ultimately they make it through the worst obstacles facing them and 'win' their story so to speak (the ending took the 'story' create drama route than the character one it should have taken) and overcome one huge rocky path means the suspense part of the story can be appreciated more.
Animation is ideal, helps that there was the luxury of time to get it right and love both the look of the show and the updated looks for the characters as well. The music is 'Good', likely meant as a nice homage to the 80's yet works perfectly for Banana Fish.
All superb story and creation wise for animation and that, the score is appropriately biased from the 'Enjoyment' section. Caring more for the characters than what the plot shoots out, and simply on account of personal preference liking how the anime should have ended (and so easy to adapt it, take the whole story, just tweak the ending and there is perfection!) means it is still 'Very Good' because that is what this anime is, enjoy Banana Fish on it's many fine merits!
