Banana Fish.

About Banana Fish

Banana Fish is a Japanese manga series written and illustrated by Akimi Yoshida. It was originally serialized from May 1985 to April 1994 in the shōjo manga magazine Bessatsu Shōjo Comic. Set primarily in New York City in the 1980s, the series follows street gang leader Ash Lynx as he uncovers a criminal conspiracy involving "banana fish", a mysterious drug that brainwashes its users. In the course of his investigation he encounters Eiji Okumura, a Japanese photographer's assistant with whom he forms a close bond.