If you're looking for anime similar to The Flowers of Evil, you might like these titles. All recommendations are made by Anime-Planet users like you!
One night, Madoka has a terrible nightmare – against the backdrop of a desolate landscape, she watches a magical girl battle a terrifying creature, and lose. The next day, the teen's dream becomes reality when the girl – Homura – arrives at Mitakihara Middle School as a transfer student, mysteriously warning Madoka to stay just the way she is. But when she and her best friend Miki are pulled into a twisted illusion world and meet a magical creature named Kyubey, the pair discovers that magical girls are real, and what's more, they can choose to become one. All they must do is sign a contract with Kyubey and agree to fight witches that spread despair to the human world, and in return they will be granted a single wish. However, as Homura's omen suggests, there's far more to becoming a magical girl than Madoka and Miki realize...
When Makoto saw Kotonoha on the train one day, he fell in love at first sight. Luckily, his classmate Sekai’s nosy personality ensures him an introduction to his crush, and soon the two begin to date. However, Kotonoha isn’t the only one with eyes for Makoto - a fact that any horny teenager would be delighted with. With endless temptations, lies and heartbreak at every turn, Makoto and Kotonoha’s relationship will soon be put to the ultimate test...
School days and Aku no Hana deal with school life in a dark heart way.
If you can get past the oddly different art style of Aku no Hana, you might find it quite the case study in psychological damage and overall uneasiness to your liking.
Also, if you're enjoying Aku no Hana, you will probably enjoy School Days.
Strange things have been happening at a local high school... mysterious disappearances, strange powers and brutal murders all emerge amongst kids who, up till now, have been perfectly normal. Even the Shinigami (Angel of Death) herself has been sighted. What's happening? The answers lie in the mysterious creature known as Boogiepop...
Although the actual stories aren't overly similar both shows manage to create a dark, unsettling atmosphere with a distinctive visual style. Beyond that Boogiepop Phantom plays around with the idea of people hiding their fears, and bringing them to the surface in the form of isolation, madness and insecurity. Aku no Hana might not explore exactly the same themes or fears, but the similarities between the two in terms of atmosphere, tone and how it makes the viewer feel are definitely there.
Witness the true beginning of the Matrix: how men created the machines and how those machines stood up against their masters, and the effects of the great war that waged between them, which in the end led to the fall of mankind. Watch the ship Osiris and its efforts to warn the remaining humans of the imminent attack; follow a champion who happens to break free from the Matrix; explore the exploitation of a glitch in the overall system; observe the story of the Kid and how he was found by Neo; travel with an investigator who tracks the well-known hacker Trinity; and learn the secrets of the Matrix in other wondrous ways.
You want rotoscope action don't you?
Yes, you are a fan of different looking and often unique animation styles. (No Moe for you)
Well here you go.
Animatrix utilizes several types of animation, including one short called Kid's Story. Both Flowers of Evil and this in particular short use Rotoscoping. Rotoscoping is where live acion frames are traced over to produce a animated effect)
If you want to check titels based on anime techniquies not used as much in anime, you could check out either of these titles.
Animatrix also employs Cg animation, and high quality 2D. Aku No Hana, more or less is a work in progress for using a more unshaded rotoscoping.
The new transfer student Mikoto Urabe is weird. She falls asleep at the drop of a hat and bursts out laughing unexpectedly, and it's no surprise that fellow classmates like Akira avoid her like the plague. So when the boy comes across the girl after class, fast asleep and drooling all over her desk, he does what any typical teenager would do… and tastes it?! What's more, there's something special about Mikoto's saliva: it's addictive, and thanks to Akira's poor decision, he must now receive a daily dose to avoid withdrawal. As Akira adjusts to this new and unexpected bond, he discovers that he's not only addicted to Mikoto's spit, but to her as well, much to his confusion!
Both are about the relationship between a nerdy boy and a strange girl. They both start with the nerdy boy doing something a little weird (preverted) after school hours and the relationship that ensues.
Both series have they're weird quirks and darkish atmospere (although Aku no Hana's was considerably darker). I think both seriesfit well together.