15 Best 18+ Animes on Crunchyroll You Don’t Want to Miss

Crunchyroll has long been a go-to platform for anime fans, but not all titles are suitable for everyone. If you’re looking for something a little more mature, there’s a whole selection of 18+ anime on Crunchyroll that explore adult themes, intense storylines, and complex characters. From dark fantasy to steamy romance and psychological thrillers, these shows push boundaries in ways that typical anime often doesn’t. In this article, we’ll share a list of 15 must-watch titles that stand out for their storytelling, animation quality, and unforgettable moments.

How Do I Get To The 18+ Side Of Crunchyroll?

Crunchyroll isn’t just for teen-friendly anime; it also hosts a variety of mature series with intense themes, complex relationships, and adult content. If you’re looking for all 18+ anime on Crunchyroll, you’ll need to adjust your account settings to unlock this content. By default, Crunchyroll restricts adult material, so these series won’t appear unless you enable them. To access the 18+ section, simply go to Settings → Preferences → Content Restriction, then select ” Age 18 and up.” Once enabled, you can explore a full range of mature titles, from psychological thrillers to dark fantasy and steamy romance, all curated for adult audiences. This ensures you won’t miss any of Crunchyroll’s more daring and intense anime offerings.

Bonus Tip: How to Download Best 18+ Anime from Crunchyroll

FliFlik UltConv Crunchyroll Downloader is a powerful, all-in-one video downloader designed for anime fans who want complete control over their Crunchyroll library, including 18+ anime on Crunchyroll. Unlike ordinary downloaders, FliFlik UltConv Crunchyroll Downloader supports over 10,000 streaming sites, making it perfect for collecting full episodes, playlists, or even entire series in high definition. You can download videos in 720p, 1080p, 2K, 4K, or 8K, convert them to MP4 or MKV formats, and preserve every detail with full audio and video quality. Its built-in browser allows you to log into your Crunchyroll account directly, ensuring access to premium content without restrictions.

Batch download support saves time by letting you grab multiple episodes at once, and DRM removal ensures you can watch offline on any device. With lightning-fast speeds and private folder protection, FliFlik UltConv Crunchyroll Downloader can turn Crunchyroll into a personal anime library you can enjoy anytime, anywhere.

Best Crunchyroll Downloader

Try It Free Try It Free

168,720 people have downloaded it.

• Download Crunchyroll Anime in 720p, 1080p, 2K, 4K, or 8K.
• Batch download multiple anime episodes or series at once.
• Convert video to audio without losing quality.
• Built-in browser for direct streaming site access.
• Remove DRM and save files for offline playback.
• Lightning-fast 10x download speed with preserved ID3 tags.

▼ How to Download 18+ Anime from Crunchyroll with UltConv

1. Download and install FliFlik UltConv Crunchyroll Video Downloader on your Windows or Mac computer.

   FREE DOWNLOAD

   Secure Download

   FREE DOWNLOAD

   Secure Download

2. Open UltConv and launch at the ” Premium Video ” tab; click ” Crunchyroll Converter ” to browse Crunchyroll directly within UltConv.

   

3. Log in to your Crunchyroll account through the built-in browser or URL field. Logging in is essential for premium anime access.

   

4. Search or navigate to the 18+ anime episode you want to download. Once on the video page, click the Download button.

   

5. Wait for the download to complete. Then, go to the Downloaded tab to watch your anime offline anytime.

   

With FliFlik UltConv, you can easily save your favorite adult anime for uninterrupted offline viewing, no matter where you are.

15 Best 18+ Animes on Crunchyroll [Best Recommended in 2026]

Explore the world of all 18+ anime on Crunchyroll with our curated list. From ecchi comedies to mature fantasy adventures, these titles are perfect for adult anime fans who want a mix of action, romance, and fanservice. Each anime below comes with a brief introduction and a quick info table for easy reference.

1. High School DxD

High School DxD is a fan-favorite 18 anime on Crunchyroll that blends supernatural battles with ecchi humor. The story follows Issei Hyoudou, a perverted high school student who is killed by a girl on his first date, only to be revived as a devil by Rias Gremory, a high-level devil. Expect action, comedy, romance, and plenty of risqué scenes.

2. Harem in the Labyrinth of Another World

Harem in the Labyrinth of Another World on Crunchyroll combines fantasy adventure with a harem twist. The protagonist is transported to another world where he must navigate a labyrinth and collect allies along the way. With explicit fan service moments and adult themes, it’s one of the go-to titles for all 18+ anime on Crunchyroll fans.

3. Prison School

Prison School is the best 18+ anime on Crunchyroll. Prison School is notorious for its over-the-top ecchi comedy. It follows five male students trying to survive the strict rules of a formerly all-girls academy while dealing with the Underground Student Council. Expect raunchy humor, adult content, and a mix of suspense and absurdity.

4. Nobunaga Teacher’s Young Bride

Nobunaga Teacher’s Young Bride mixes historical fantasy with romance and ecchi comedy. It follows Nobunaga Oda, a modern high school teacher, who finds himself responsible for a young bride from the past. Its mature content and humorous situations make it a standout 18+ anime on Crunchyroll.

5. The Testament of Sister New Devil

The Testament of Sister New Devil, this ecchi fantasy follows Basara, a high school student who ends up living with two step-sisters, one of whom is a demon. The show is packed with action, supernatural powers, and heavy fan service, appealing to adult anime fans.

6. Haganai: I Don’t Have Many Friends

Haganai is a romantic comedy with ecchi elements that explores the awkwardness of high school social life. It centers on Kodaka and his misfit friends forming the Neighbors Club to make new connections. Its mix of humor, romance, and subtle adult content makes it a recommended title for all 18+ anime on Crunchyroll.

7. Ladies Versus Butlers!

Ladies Versus Butlers! is a romantic comedy full of ecchi situations. It follows a boy who enrolls in a school for the wealthy and encounters a mix of charming maids and aristocratic students. With its mix of humor, harem elements, and fanservice, it’s a must-watch for adult anime fans.

8. Maken-Ki!

Maken-Ki! is one of the best 18+ anime on Crunchyroll. The series focuses on Takeru, who joins an academy with a secret club that battles using magical powers. Expect a combination of harem comedy, supernatural action, and ecchi fan service.

9. Girls Bravo

Girls Bravo is a romantic comedy with light ecchi content. It tells the story of Yukinari, a boy allergic to girls, who ends up in a parallel world full of female inhabitants. A mix of humor, romance, and adult situations makes this a staple for fans of all 18+ anime on Crunchyroll.

10. Ah My Buddha

Ah My Buddha follows Ikkou, a monk-in-training who faces supernatural mischief and ecchi situations at his temple. With humor and playful adult content, it’s one of the lighter 18+ anime on Crunchyroll for fans of comedy with harem twists.

11. Rosario + Vampire

Rosario + Vampire on Crunchyroll is a supernatural harem anime centred on Tsukune, a human who accidentally enrolls in a school for monsters. With vampire girls, comedy, and ecchi scenes, it’s a popular 18+ anime on Crunchyroll that balances romance and action.

12. Freezing

Freezing blends sci-fi action with adult content. It follows Kazuya and genetically enhanced female fighters called Pandoras. Known for its intense battles and ecchi scenes, it’s a favorite for fans seeking mature themes in anime.

13. Seven Mortal Sins

Seven Mortal Sins explores the seven deadly sins through a supernatural, ecchi narrative. Each demon girl represents a sin, with a mix of action, fan service, and comedy for mature audiences.

14. Strike the Blood

Strike the Blood is a supernatural action series with vampire lore, ecchi scenes, and harem elements. It follows Kojou, a high school student with extraordinary powers, balancing action and mature content.

15. My Dress-Up Darling

My Dress-Up Darling is a contemporary 18+ anime on Crunchyroll. This romantic comedy follows Wakana and Marin, exploring cosplay culture with humor, fan service, and heartwarming romance. It’s a must-watch for adult anime fans who enjoy lighthearted ecchi moments mixed with slice-of-life storytelling.

Final Words

Exploring 18+ anime on Crunchyroll opens up a world of mature storytelling, ecchi humor, and thrilling harem adventures. From classics like High School DxD to newer hits like My Dress-Up Darling, there’s something for every adult anime fan. While streaming is convenient, having your favorite episodes saved locally ensures you can watch anytime, anywhere, without interruptions or restrictions. For the easiest way to download and enjoy these anime in high quality, FliFlik UltConv Crunchyroll Downloader is your go-to tool. With support for HD videos, batch downloads, multiple formats, and DRM-free playback, it lets you build your personal anime library effortlessly. Don’t wait, start using UltConv today and never miss a moment of your favorite 18+ anime on Crunchyroll.

FREE DOWNLOAD

Secure Download

FREE DOWNLOAD

Secure Download

Maxwell Clark

Hey there! I am Maxwell Clark. I'm always looking for new tech tools that make a difference, from making visuals and audio better to making workflows better. I'm going to share tips and tricks for using AI tools for videos, audio, and images. I'm excited to help you navigate the digital world more efficiently and creatively!

Recent stories by Maxwell Clark:

• Top 8 FLAC Downloaders to Download Lossless Music in 2026
• TubeRipper Review: Does It Really Work and Better Alternatives
• 15+ Telegram Music Bots to Download Spotify Free (2026)