its in vol.19 of the banana fish manga on mangago! It's located around the halfway point in the chapter.
http://www.mangago.zone/read-manga/banana_fish/an/banana-fish-chapter-Volume%2019%20%5BEND%5D.html
The author's other story, Yasha, also feautures some characters from the original bf series. I haven't read it yet, but that's because I've heard it's painful. Here it is though if you want pain on top of pain closure.
http://www.mangago.zone/read-manga/yasha/
thank you! i'll check them out tomorrow i'm tired of crying today
i just watched banana fish and i'm looking for the sequel 'garden of light'