Fan service has filled the anime industry for decades. The purpose of fan service is to reward and engage fans by fulfilling their desires or expectations. It can be a way to create excitement, generate positive reactions, and enhance the overall enjoyment of a particular piece of media.

It's worth noting that fan service is a subjective concept, and what may be considered fan service by some fans could be seen as genuine storytelling or character development by others. The extent and nature of fan service can vary widely across different genres, mediums, and cultural contexts

10/10 Monster Musume: Everyday Life With Monster Girl

Monster Musume: Everyday Life With Monster Girls is an anime series that blends comedy, romance, and fantasy in a unique and enticing way. The anime caters to its audience's desires, delivering an array of alluring and endearing characters with diverse physical attributes, with an abundance of fan service.

Set in a world where mythical creatures known as liminals coexist with humans, the story revolves around a young man named Kimihito Kurusu, who finds himself hosting several charming monster girls under the government's Interspecies Cultural Exchange Act.

9/10 Ouran High School Lost Club

Ouran High School Host Club is a high school-based anime that immerses viewers in a delightful blend of comedy, romance, and eccentricity. This beloved series follows Haruhi Fujioka, a scholarship student who stumbles upon the extravagant world of the Host Club, a group of handsome male students who entertain female clients.

While the fan service in Ouran High School Host Club is more focused on comedic situations and exaggerated character interactions rather than explicit content, it consistently manages to captivate and entertain its audience with its charming cast and lighthearted approach.

8/10 Food Wars!

Get ready for a culinary adventure like no other in Food Wars. This delectable anime serves up a feast for the senses as aspiring chef Soma Yukihira battles his way through the cutthroat world of culinary school.

Using its mouthwatering visuals and intense cooking showdowns, the series offers a tantalizing blend of food-themed fan service and gastronomic creativity that will leave you hungry for more of the series.

7/10 Highschool Of The Dead

Brace yourself for an adrenaline-pumping, zombie-infested thrill ride in Highschool of the Dead. This action-packed anime follows a group of high school students as they fight for survival during a deadly undead outbreak.

The series presents a gritty atmosphere, and occasional moments of suggestive fan service. It also delivers an edgy and suspenseful experience that will keep you on the edge of your seat for all of it.

6/10 Fairy Tail

Natsu Dragneel embarks on an enchanting journey filled with magic, camaraderie, and epic battles in Fairy Tail. This beloved anime follows the adventures of Natsu Dragneel as he goes on a quest to find his missing father, Igneel, who is actually a Dragon.

Its colorful cast of characters, whimsical world-building, and heartwarming friendships, captures the spirit of adventure while incorporating occasional moments of playful fan service, adding an extra sprinkle of charm to this fantastical tale.

5/10 Rosario + Vampire

This romantic comedy anime centers around Tsukune Aono, who unwittingly enrolls in a school for monsters. As Tsukune navigates this extraordinary world, he finds himself surrounded by a bevy of attractive female classmates with supernatural abilities.

Alongside the romantic and comedic elements, the series features numerous moments of fan service, adding a touch of allure to the lighthearted and occasionally action-packed adventures of Tsukune and his monster-filled school life.

4/10 Prison School

Prison School has gained attention and sparked discussions due to its portrayal of characters and their sexualization. While the series has faced criticism for its explicit content, it cannot be denied that it is one of the best anime with excellent fan service.

The anime pushes boundaries with its bold and risqué scenes, catering to those seeking a more titillating experience. For those seeking a blend of ecchi elements and an engaging narrative, Prison School stands out as an anime that delivers unabashed fan service alongside its compelling plot.

3/10 Redo Of Healer

Redo of Healer is a dark fantasy series that follows the journey of a healer named Keyaru, who seeks revenge against those who have wronged him. While Redo of Healer has garnered attention for its graphic scenes and intense fan service, it is important to note that the anime's content pushes the boundaries of mature themes and may not be suitable for all audiences.

As a result, Redo of Healer has sparked discussions surrounding its portrayal of sensitive topics. It is advised that viewers approach this anime with caution as it is filled with content of explicit nature and mature content.

2/10 To Love-Ru

To Love-Ru is a popular anime series that debuted in 2008. It is known for its romantic comedy and harem elements. To Love-Ru often incorporates light-hearted humor, playful interactions, and occasional moments of fan service, contributing to its appeal among fans of the genre.

While the anime embraces comedic situations and romantic tension, it strikes a balance between its fantasy content and the development of relationships and character dynamics, creating an entertaining and enjoyable viewing experience.

1/10 High School DxD

High School DxD is an anime series that has gained notoriety for its excessive fan service. Released in 2012, this anime pushes the boundaries of ecchi content and is often regarded as the epitome of over-the-top fan service.

This anime is not appropriate for viewers under the age of 18, as it contains mature themes, nudity, and erotic scenes. High School DxD is aimed at a particular adult audience looking for a mix of comedy, action, and erotica, even though it provides everything fan service fans could ask for.