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Seinen

Seinen (青年), translated as "youth", is a demographic aimed at men from late teens to adulthood who understand kanji. Seinen manga rarely include furigana with kanji, and have a wide variety of topics and themes. Seinen is the counterpart of Josei, a demographic aimed at women.

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Confinement Game18+END

Confinement Game

3
Chapter 1 June 1, 2025 307
The Coordinator: Virgins Get Deflowered18+

The Coordinator: Virgins Get Deflowered

0
Chapter 5 May 26, 2025 40
Chapter 4 May 1, 2025 33
Ten X: Divine PunishmentNew

Ten X: Divine Punishment

5
Chapter 18 May 26, 2025 13
Chapter 17 May 26, 2025 9
Marry Me, I’ll Fuck You Until You’re Pregnant! (Uncensored)18+

Marry Me, I’ll Fuck You Until You’re Pregnant! (Uncensored)

3.9
Chapter 87 May 26, 2025 2,630
Chapter 86 May 26, 2025 1,330
First Time With My Wife (Again)18+END

First Time With My Wife (Again)

5
Chapter 27 May 1, 2025 91
Chapter 26 May 1, 2025 58
I’m a Mom (Official)

I’m a Mom (Official)

4.9
Chapter 149 June 29, 2025 344
Chapter 148 June 29, 2025 155
What Happens Inside the Dungeon (Official)18+END

What Happens Inside the Dungeon (Official)

4.5
Chapter 142 June 22, 2024 18
Chapter 141 June 22, 2024 23
Happy Family (FUNGUILD)

Happy Family (FUNGUILD)

3.3
Chapter 41 November 26, 2024 193
Chapter 40 November 4, 2024 146
Childhood Friends With Benefits18+END

Childhood Friends With Benefits

3.6
Chapter 9 November 18, 2022 365
Chapter 8 November 18, 2022 290
I Fell In Love For The First Time18+END

I Fell In Love For The First Time

0
Chapter 4 November 18, 2022 48
Chapter 3 November 18, 2022 32
Boku wa Kimitachi wo Shihai suru

Boku wa Kimitachi wo Shihai suru

0
Chapter 52 April 8, 2025 7
Chapter 51 March 25, 2025 5
Alabaster no Kisetsu

Alabaster no Kisetsu

0
Chapter 18.1 July 20, 2024 6
Chapter 18 March 12, 2024 7
Batsu-Hare

Batsu-Hare

5
Chapter 41 November 26, 2024 22
Chapter 40 August 5, 2024 18
Secret Campus18+END

Secret Campus

2.7
Chapter 20 July 7, 2022 2
Chapter 19 July 7, 2022 4
Punishing My Pet Slave Elf18+END

Punishing My Pet Slave Elf

4.1
Chapter 92.5 August 3, 2024 11
Chapter 92 July 25, 2024 26
Sensei No Koto, Kusugutte Ageru18+

Sensei No Koto, Kusugutte Ageru

5
Chapter 35 May 16, 2024 23
Chapter 34 May 6, 2024 15
Sneaked Into A Horny Girls’ School18+END

Sneaked Into A Horny Girls’ School

5
Chapter 47 June 28, 2022 8
Chapter 46 June 28, 2022 10
Athlete’s Strong Sex Drive18+END

Athlete’s Strong Sex Drive

0
Chapter 12 June 28, 2022 5
Chapter 11 June 28, 2022 2
5-Second Sex Delivery18+

5-Second Sex Delivery

2
Chapter 18 June 28, 2022 5
Chapter 17 June 28, 2022 3
100% Possibility Of Meeting Girls18+

100% Possibility Of Meeting Girls

4.5
Chapter 22 March 16, 2023 9
Chapter 21 February 27, 2023 8
Kankin Ou

Kankin Ou

0
Chapter 24 April 1, 2025 26
Chapter 23 December 17, 2024 11
Karami Zakari: Boku no Honto to Kimi no Uso18+END

Karami Zakari: Boku no Honto to Kimi no Uso

4.7
Chapter 50.5 January 29, 2024 10
Chapter 50 January 29, 2024 21
A Scorching Hot Day with A Broken Air Conditioner18+END

A Scorching Hot Day with A Broken Air Conditioner

3.9
Chapter 138 May 26, 2025 38
Chapter 137 May 26, 2025 40
Kanojo no Tomodachi

Kanojo no Tomodachi (JYURA)

3.2
Chapter 105 June 17, 2025 81
Chapter 104 June 3, 2025 45
Committee Chairman, Didn’t You Just Masturbate In the Bathroom? I Can See the Number of Times People Orgasm18+

Committee Chairman, Didn’t You Just Masturbate In the Bathroom? I Can See the Number of Times People Orgasm

4
Chapter 99 June 27, 2021 17
Chapter 98 June 27, 2021 5
Gentsuu YashikiEND

Gentsuu Yashiki

0
Oneshot April 2, 2021 0
Isekai wo Vibrator dake de Ikinuku18+

Isekai wo Vibrator dake de Ikinuku

1
Chapter 16 December 17, 2024 22
Chapter 15 December 17, 2024 11
Double Play

Double Play (MURATA Kouji)

0
Chapter 25 March 18, 2025 29
Chapter 24 September 16, 2024 21
Persona x Tantei NaotoEND

Persona x Tantei Naoto

0
Vol. 1 Ch. 1 April 3, 2021 0
Shokugyo Koroshiya.END

Shokugyo Koroshiya.

0
The Hypocritical Killer April 3, 2021 0