Originally created for male viewers only, they often contain mature, raw scenes such as blood, sex or violence. It has a more realistic style than shounen. Subgenus of horror, action or thriller even if it could belong to others.

ACCA:13 - Territory Inspection Dept.

24 min, 12 episodes, 1 season \ seinen - mystery - police - drama - fantasy

After the Rain

23 min, 12 episodes, 1 season \ seinen - romance

AKAGI

25 min, 26 episodes, 1 season \ thriller - sport - psychological - game - seinen

Aoi Bungaku

24 min, 12 episodes, 1 season \ historical - drama - psychological - seinen - thriller

Back Street Girls

23 min, 10 episodes, 1 season \ ecchi - seinen - comedy

Berserk

22 min, 24 episodes, 2 seasons \ martial arts - demons - action - adventure - drama - supernatural - fantasy - horror - military - seinen - romance

Big Windup!

24 min, 38 episodes, 2 seasons \ sports - comedy - seinen

Black Lagoon

25 min, 24 episodes, 1 season \ space - seinen - action

Black Lagoon: Roberta's Blood Trail

33 min, 5 episodes, 1 season \ seinen - action

Blood Lad

23 min, 10 episodes, 1 season \ parody - demons - vampire - seinen - supernatural - action

Bokura No

20 min, 24 episodes, 1 season \ seinen - mecha - drama - psychological - sci-fi

Bungou Stray Dogs

24 min, 36 episodes, 2 seasons \ super power - action - comedy - mystery - seinen - supernatural

Clean Freak! Aoyama-kun

24 min, 12 episodes, 1 season \ sports - seinen - comedy

Coppelion

24 min, 13 episodes, 1 season \ post-apocalyptic - action - sci-fi - seinen

Detroit Metal City

14 min, 12 episodes, 1 season \ music - comedy - seinen

Diary of Our Days at the Breakwater

24 min, 12 episodes, 1 season \ yuri - seinen - slice of life - school - comedy

Dorohedoro

25 min, 12 episodes, 1 season \ seinen - action - comedy - horror - magic - fantasy

Drifters

25 min, 12 episodes, 1 season \ seinen - action - adventure - comedy - samurai - historical - fantasy - military

Elfen Lied

25 min, 13 episodes, 1 season \ splatter - action - horror - psychological - drama - seinen - romance

Erased

24 min, 12 episodes, 1 season \ psychological - mystery - supernatural - seinen

Ergo Proxy

25 min, 23 episodes, 1 season \ seinen - psychological - mystery - sci-fi - post-apocalyptic - cyberpunk

Everyday life with monsters girls

24 min, 12 episodes, 1 season \ ecchi - comedy - harem - romance - fantasy - seinen

Fate/Apocrypha

25 min, 25 episodes, 1 season \ seinen - fantasy - supernatural - magic - drama - action

Fate/Zero

25 min, 25 episodes, 2 seasons \ seinen - action - supernatural - magic - fantasy

Ghost in the Shell: Stand Alone Complex

25 min, 64 episodes, 3 seasons \ cyberpunk - action - military - sci-fi - police - mecha - seinen

Gingitsune: Messenger Fox of the Gods

25 min, 12 episodes, 1 season \ slice of life - seinen - supernatural

Golden Kamuy

24 min, 36 episodes, 3 seasons \ historical - seinen - adventure - action

Grand Blue Dreaming

25 min, 12 episodes, 1 season \ slice of life - seinen - comedy

Haven't You Heard? I'm Sagamoto

24 min, 12 episodes, 1 season \ school - slice of life - comedy - seinen

Hellsing Ultimate

45 min, 10 episodes, 1 season \ splatter - action - military - horror - supernatural - vampire - seinen

Hinamatsuri

23 min, 12 episodes, 1 season \ seinen - comedy - sci-fi - slice of life - supernatural

Hozuki's Coolheadedness

24 min, 39 episodes, 2 seasons \ demons - comedy - seinen - supernatural - fantasy

Humanity Has Declined

25 min, 12 episodes, 1 season \ post-apocalyptic - comedy - fantasy - seinen

Hyouge Mono

25 min, 39 episodes, 1 season \ historical - samurai - seinen

If My Favourite Pop Idol Made It to the Budokan, I Would Die

24 min, 12 episodes, 1 season \ yuri - slice of life - music - seinen - comedy

In This Corner of the World

2h 35 min, 1 episode, 1 season \ seinen - drama - historical

Inuyashiki: Last Hero

25 min, 11 episodes, 1 season \ seinen - drama - action - sci-fi - psychological

Ikkitousen: Western Wolves

30 min, 1 episode, 1 season \ school - super power - seinen - martial arts - action - ecchi 

Japan Sinks: 2020

24 min, 10 episodes, 1 season \ post-apocalyptic - sci-fi - drama - seinen

Kaguya-sama: Love is War

24 min, 24 episodes, 2 seasons \ psychological - comedy - seinen - school - romance

Kaiji

25 min, 62 episodes, 2 seasons \ psychological - game - thriller - seinen

Keep Your Hands Off Eizouken!

24 min, 12 episodes, 1 season \ seinen - adventure - school - comedy

Kingdom

55 min, 12 episodes, 2 seasons \ historical - action - military - seinen

Kiseiju

25 min, 24 episodes, 1 season \ splatter - psychological - horror - action - drama - sci-fi - seinen

Kiss X Sis

24 min, 12 episodes, 1 season \ ecchi - comedy - romance - school - seinen - harem

Knights of Sidonia

24 min, 24 episodes, 2 seasons \ post-apocalyptic - action - mecha - sci-fi - seinen - space

Kuma Miko

24 min, 12 episodes, 1 season \ furry - slice of life - comedy - seinen

Land of the Lustrous

24 min, 12 episodes, 1 season \ seinen - action - mystery - drama - fantasy

Le Chevalier D'Eon

24 min, 24 episodes, 1 season \ historical - magic - mystery - seinen - supernatural

Lupin the Third, The Woman Called Fujiko Mine

25 min, 13 episodes, 1 season \ police - action - adventure - comedy - ecchi - samurai - seinen

Majestic Prince

24 min, 24 episodes, 1 season \ space - action - school - seinen - sci-fi

Maria the Virgin Witch

25 min, 12 episodes, 1 season \ historical - comedy - magic - seinen - fantasy - romance

March Comes in Like a Lion

23 min, 44 episodes, 2 seasons \ seinen - drama - slice of life - game

Military!

3 min, 12 episodes, 1 season \ military - ecchi - slice of life - comedy - seinen

Mononoke

24 min, 12 episodes, 1 season \ seinen - mystery - historical - horror - demons - psychological - supernatural - fantasy

Monster

25 min, 74 episodes, 1 season \ seinen - drama - horror - mystery - police - psychological - thriller

Monster Musume

25 min, 12 episodes, 1 season \ furry - harem - comedy - romance - ecchi - fantasy - seinen

Mushishi

24 min, 46 episodes, 2 seasons \ seinen - adventure - slice of life - historical - mystery - supernatural - fantasy

No Guns Life

23 min, 24 episodes, 1 season \ cyberpunk - action - sci-fi - drama - seinen

Non Non Biyori

24 min, 36 episodes, 3 seasons \ seinen - slice of life - school - comedy

Onihei

23 min, 13 episodes, 1 season \ police - historical - seinen

Oruchaban Ebichu

10 min, 24 episodes, 1 season \ furry - comedy - ecchi - seinen

Pet

24 min, 13 episodes, 1 season \ seinen - psychological - mystery - supernatural

Ping Pong the Animation

24 min, 11 episodes, 1 season \ seinen - drama - psychological - sports

Planetes

25 min, 26 episodes, 1 season \ seinen - romance - drama - sci-fi - space

Prison School

24 min, 12 episodes, 1 season \ ecchi - comedy - romance -school - seinen

Rainbow

24 min, 26 episodes, 1 season \ historical - drama - seinen - thriller

Scum's Wish

25 min, 12 episodes, 1 season \ ecchi - drama - romance - school - seinen

Shigurui: Death Frenzy

30 min, 12 episodes, 1 season \ splatter - action - historical - psychological - martial arts - drama - samurai - seinen

Space Brothers

24 min, 99 episodes, 2 seasons \ seinen - comedy - space - slice of life - sci-fi

Terra Formars

25 min, 26 episodes, 2 seasons \ splatter - action - sci-fi - space - horror - drama - seinen

Tokyo Ghoul

25 min, 48 episodes, 3 seasons \ splatter - action - mystery - horror - seinen - psychological - supernatural - drama - vampire

Tonari no Seki-kun

8 min, 21 episodes, 1 season \ school - comedy - seinen

Vinland Saga

25 min, 24 episodes, 1 season \ historical - seinen - action - adventure - drama - military

Wave, Listen to Me!

25 min, 12 episodes, 1 season \ seinen - comedy - romance - drama

Welcome to Irabu's Office

25 min, 11 episodes, 1 season \ psychological - seinen - drama - comedy

Young Black Jack

24 min, 12 episodes, 1 season \ historical - drama - seinen

You're Under Arrest

20 min, 101 episodes, 3 seasons \ police - action - comedy - seinen

YuriKuma Arashi

25 min, 12 episodes, 1 season \ yuri - psychological - drama - fantasy - seinen - shoujo-ai - school - furry