"The Fruit of Grisaia" is indeed one of the harem anime series with a notable English dub. The story concerns Yuuji Kazami, a calm, skilled teenager with a mysterious past. He joins Mihama Academy, a secluded school for students who have been through harrowing experiences or have unique situations.

Each female student at Mihama Academy has hidden problems and emotional wounds. Yuuji gets involved in their lives as he tries to uncover the secrets of the school and his fellow students. The show explores themes like difficult experiences, making amends, and personal growth as Yuuji interacts with this diverse group of girls.

"The Fruit of Grisaia" also deals with challenging life events, mental well-being, and personal development. Each female character has a unique and troubled history, and the series delves into their difficulties as they try to come to terms with their pasts. Yuuji's interactions with the girls are a big part of their healing and personal growth.

The anime adaptation of "The Fruit of Grisaia" was well-received because of its strong character development, deep emotions, and mature themes. It offers a unique spin on the harem genre by exploring the psychological aspects of the characters' pasts and challenges. If you like harem anime with a more severe and emotionally engaging storyline, watch "The Fruit of Grisaia".

Detailed information:

• Directed by: Tensho
• Released: October 5, 2014 – December 28, 2014
• Genre: Drama, Psychological, Romance, Harem, Thriller
• Link to watch: https://www.primevideo.com/detail/The-Fruit-of-Grisaia/0P0UCSE93ZKC7KE3HTBEMOGKEY

"The Quintessential Quintuplets" is another harem anime series with a well-received English dub. It's well-liked for its engaging story and charming characters, especially in the harem and romantic comedy.

The story follows Fuutarou Uesugi, a hardworking high school student from a family going through financial difficulties. He's hired as a tutor for the Nakano quintuplets, five sisters who struggle with school but each have their unique personalities and quirks. At first, they don't get along with Fuutarou and dislike studying. However, as he gets to know them and helps them with their schoolwork, romantic feelings develop among the sisters, creating an interesting romantic dynamic.

In "The Quintessential Quintuplets," you'll find themes like improving in school, family relationships, and romantic connections. The series does a great job mixing funny moments from Fuutarou's interactions with the quintuplets with the gradual development of romantic feelings.

People have praised the English voice acting in the anime for effectively portraying the distinct personalities of the quintuplets. If you enjoy harem anime with a mix of romance and comedy, "The Quintessential Quintuplets" is worth watching.

Detailed information:

• Directed by: Satoshi Kuwabara
• Released: January 10, 2019 – March 28, 2019
• Genre: Harem, Romantic, Comedy
• Link to watch: https://www.justwatch.com/us/tv-show/the-quintessential-quintuplets/season-1

"The World God Only Knows" is one of those harem anime series with an excellent English version. It's a story about Keima Katsuragi, who's really into dating video games and is famous as the "God of Conquest" in the gaming world because he's so good at winning over virtual girls. One day, Keima deals with a demon named Elsie de Lute Ima. Together, they set out on a mission to catch lost spirits escaping from the underworld and residence in real girls' hearts.

To do this, Keima has to use his skills from dating sims to make these real girls fall in love with him. But that's often easier said than done. Along the way, he meets different girls, each with her own personality and challenges.

"The World God Only Knows" deals with themes like love, relationships, and the difference between online and real-world connections. It adds humor to the harem genre by mixing elements from dating sims and gaming. Keima's interactions with the girls he meets provide many funny moments and help develop the characters.

Detailed information:

• Directed by: Shigehito Takayanagi
• Released: October 6, 2010 – June 28, 2011
• Genre: Harem, Comedy, and Supernatural
• Link to watch: https://www.amazon.com/World-God-Only-Knows-Season/dp/B00CYUHNP4

"Saekano: How to Raise a Boring Girlfriend" is an anime series about romance and comedy. It follows Tomoya Aki, a regular high school guy who's really into anime, manga, and video games. One day, he meets a pretty girl named Megumi Katou. She inspires him to create a dating video game and becomes the main character. He teams up with some talented but quirky friends to make the game.

Tomoya's team includes Eriri Spencer Sawamura, who's excellent at drawing and has been his friend since they were kids; Utaha Kasumigaoka, a super-smart and famous writer; and Michiru Hyodo, who's fantastic at music. They all work together to make the game while dealing with their complicated relationships, romantic feelings, and creative challenges.

"Saekano" explores themes like being creative, having big dreams, and how romance works. It shows how the team faces problems and succeeds in making their game while also dealing with their personal feelings and goals.

The anime "Saekano: How to Raise a Boring Girlfriend" got excellent reviews because of its clever writing, characters' development, and how funny it is. It became popular among people who like harem and romantic comedy anime because it understands and makes jokes about the anime and gaming culture.

Detailed information:

• Directed by: Kanta Kamei
• Released: January 9, 2015 - March 27, 2015
• Genre: Romantic Comedy, Harem, Slice of Life
• Link to watch: https://www.amazon.com/Saekano-How-Raise-Boring-Girlfriend-flat/dp/B06Y1Q5YQ9

"Otome wa Boku ni Koishiteru" is an anime series that falls into the romance and comedy genres. The story is about Mizuho Miyanokouji, a kind, gentle young man who goes to Seio Girls' Academy, an all-girls school, because his grandfather wanted him to. The twist is that Mizuho has to pretend to be a girl while he's at school, which leads to funny and heartwarming moments.

Mizuho's reason for attending school is connected to his promise to his grandfather. His grandfather wanted Mizuho to take over as the school's headmistress. As Mizuho settles into life at Seio Girls' Academy, he forms relationships with different people, including students and teachers.

Mizuho's journey involves keeping his true self a secret and coming to terms with his feelings and who he is, primarily as he interacts with guys and girls. The series emphasizes respecting and understanding the different aspects of people's identities.

Fans appreciate "Otome wa Boku ni Koishiteru" for handling these themes and focusing on how characters grow and connect. It has built a dedicated fanbase, especially among those interested in stories that challenge traditional ideas about gender roles and what's expected of people.

Detailed information:

• Directed by: Munenori Nawa
• Released: October 8, 2006 – December 24, 2006
• Genre: Romance, Comedy, Drama, Gender Bender, Slice of Life
• Link to watch: https://ww1.9animes.org/watch/otome-wa-boku-ni-koishiteru

"Sekirei" is one of those harem anime series with an English version, and it's gained quite a following among fans who like this kind of show.

The story happens in a made-up city where there are 108 superpowered creatures called "Sekirei." Each Sekirei gets paired up with a regular person named an "Ashikabi." These supernatural beings have to fight each other in something called the "Sekirei Plan." They battle until only one Sekirei and Ashikabi team is left, and the winners get a special and powerful wish granted.

The series focuses on Minato Sahashi, a young guy who gets mixed up in the Sekirei Plan by accident. He meets Musubi, a cheerful and strong Sekirei, and things get complicated from there. Minato ends up with more Sekirei, forming what you could call a harem, and they all have to deal with the challenges of the Sekirei Plan, protect their loved ones, and uncover the secrets behind this competition.

"Sekirei" is all about love, teamwork, and what happens when you have superpowers. While the fights are a big part of the story, the anime also looks at the emotional connections between the Sekirei and their Ashikabi partners. It's like a mix of action, romance, and supernatural stuff.

Detailed information:

• Directed by: Keizō Kusakawa
• Released: July 2, 2008 – September 17, 2008
• Genre: Harem, Action, Supernatural, Romance, and Ecchi
• Link to watch: https://www.amazon.com/Sekirei-Season-1/dp/B007XAYBLE

"High School DxD" is one of the harem anime series known for its English dub and has gained popularity among fans. The story is about Issei Hyoudou, a high school student who's a bit perverted and dreams of having many girlfriends. But his life takes a crazy turn when he gets killed during a date and then brought back to life by a beautiful devil named Rias Gremory. Issei discovers he's been reborn as a devil and becomes part of Rias' devil group.

As a devil, Issei has to get used to a new world with angels, fallen angels, and other devils. He joins Rias' Occult Research Club, which comprises different devil girls with special powers. Issei and his devil friends have to deal with all sorts of challenges, including fights with other supernatural creatures, while Issei tries to make his dream come true and build a harem.

"High School DxD" mixes battles with comedy and moments of romantic tension. If you're into harem anime with a twist of supernatural action, many battles, and plenty of funny and fan-service moments, "High School DxD," with its English dub, is worth watching.

Detailed information:

• Directed by: Yanagisawa Tetsuya
• Released: January 6, 2012 – March 23, 2012
• Genre: Ecchi, Harem, Supernatural, Comedy, Action, Romance
• Link to watch: https://www.hulu.com/series/high-school-dxd-4b0f2a36-db9e-4820-b39d-80b8e14f7ffc

"Monster Musume no Iru Nichijou" is a harem anime series known for its English dub and unusual idea about mythical creatures. These creatures, like snake girls, half-human horses, and bird girls, live alongside regular people. The government made a law called the Cultural Exchange Between Species Act that lets these creatures, called liminals, stay with human hosts and learn about human life.

The story follows Kimihito Kurusu, a regular guy who ends up hosting a snake girl named Miia because of some events. As things go on, Kimihito's home becomes a place where other liminal girls stay. These girls come from different species, like horse-human hybrids, bird girls, and even slime girls. Together, they deal with funny and challenging situations because of their mixed living arrangements.

"Monster Musume" explores coexistence, acceptance, and cultural differences. It also incorporates elements of romance and comedy, often focusing on the romantic and comedic interactions between Kimihito and the various liminal girls. The English dub of "Monster Musume" has received positive feedback from viewers, particularly for its humor and voice acting.

Detailed information:

• Directed by: Tatsuya Yoshihara
• Released: 7 July 2015 – 22 September 2015
• Genre: Ecchi, Harem, Supernatural, Comedy, Action, Romance
• Link to watch: https://archive.org/details/monstermusumenoirunichijou1

"Hayate the Combat Butler" is a harem anime with an English version and has become popular among fans who like this type of show.

The story is about Hayate Ayasaki, a young guy with a tough life. His parents abandoned him, and he piled up a massive debt because of their irresponsible actions. Hayate takes on many part-time jobs to make money and becomes good at all sorts of things.

One day, things get super exciting when Hayate saves a rich girl named Nagi Sanzenin from kidnappers. To say thanks, Nagi hires Hayate to be her butler. What happens next is a series of funny and adventurous events as Hayate starts his new job as a butler. He has to deal with Nagi, who's a bit strange, and other characters are also interested in him.

"Hayate the Combat Butler" mixes humor, action, and romance. While there's a lot of funny and comedic stuff in the show, it also talks about friendship, taking responsibility, and how personal relationships grow and change.

Detailed information:

• Directed by: Keiichiro Kawaguchi
• Released: April 1, 2007 - July 1, 2013
• Genre: Ecchi, Harem, Parody, Comedy, Action, Romance
• Link to watch: https://www.amazon.com/Hayate-Combat-Butler-Season-1/dp/B078KKWT6Z

"Kämpfer" is about Natsuru Senou, a regular high school student who suddenly turns into a girl one day. Then, a talking stuffed animal named Harakiri Tora tells Natsuru that he's become a Kämpfer, a fighter who has to battle other Kämpfers. Usually, these fights involve girls, but Natsuru's girl form lets him participate.

No one knows why these battles happen or who's in charge. Natsuru's job is to find and beat other Kämpfers while figuring out why this transformation and fighting is happening.

"Kämpfer" deals with who you are, gender, and what it's like to be in a different body. It also has a lot of funny and awkward moments because of Natsuru's situation and the strange people he meets.

The anime mixes action, humor, and supernatural things. The fights between Kämpfers are full of action, and there are plenty of funny moments because of Natsuru's problems and the odd characters he comes across. If you're into anime with action, comedy, and supernatural stuff, especially when mixed with a unique twist like gender transformation, you might like "Kämpfer."

Detailed information:

• Directed by: Yasuhiro Kuroda
• Released: April 8, 2011 – May 25, 2011
• Genre: Action, Comedy, and Supernatural
• Link to watch: https://watch.plex.tv/show/kampfer/season/1