Aku no Hana, also known as The Flowers of Evil or 惡の華, is a disturbing and psychologically profound Seinen Drama masterpiece created by Shūzō Oshimi that subverts the traditional school-life trope into a claustrophobic exploration of nihilism, perversion, and teenage angst, following the socially awkward Takao Kasuga (weirdo) and the manipulative Sawa Nakamura in a rural town where a single moment of stolen gym clothes spirals into a life-altering pact of social destruction, blending Baudelaire-inspired poetry with a raw, unsettling art style that captures the "ugliness" of puberty, earning critical acclaim for its rotoscoped anime adaptation and its deep dive into Identity Crisis, Blackmail, and Ego-Death, making it a mandatory read for fans of Oyasumi Punpun (Goodnight Punpun), Blood on the Tracks, or No Longer Human, also known as Aku no Hana manga, Flowers of Evil manga, Shuzo Oshimi manga, psychological seinen manga, and dark school drama manga.