12 Anime Like Overflow With Passionate Romance Stories
Overflow created by Kaiduka, made its debut as a manga in 2018. The second series was released towards the end of 2019, and in early 2020, the manga was adapted into an eight-episode anime series.
The popularity of Overflow soared, particularly among ecchi-anime enthusiasts. The series was produced by Hokiboshi Studio, with director Rei Ishikura at the helm. The character designs were crafted by Yoshihiro Watanabe, while Ryo Kurosaki took charge of the script.
This anime seamlessly combines a romantic narrative with refreshing humor, centered around the friends-with-benefits dynamic of the three main characters who also happen to be childhood friends.
If you're looking for anime recommendations that share similarities with Overflow, either in terms of storyline, characters, or the level of antics, here are some anime to consider:
1. Kiss X Sis
Kiss x Sis narrates the story of a student named Keita Suminoe, a somewhat whiny individual heavily reliant on his two half-sisters Ako and Riko. Since their childhood, Keita has been unable to stay apart from the two girls. But as they grew older, their relationship took on a more serious tone.
To Ako and Riko, Keita is no longer just a younger brother; they see him as a potential partner. Adding fuel to the fire, their father one day mentioned that Keita could even marry one of his half-sisters. This sparked a fierce rivalry between Riko and Ako.
Upon hearing this, Keita attempted to distance himself from his step-siblings. However, both Ako and Riko refused to give up. They grew bolder in their teasing, relentlessly pursuing Keita wherever he went.
During this time, Keita ran into Mikazuki Kinryu, an ignorant girl who had doubts about him. Keita is determined to get closer to Mikazuki and change her negative perception of him. Unexpectedly, it was not Mikazuki who softened, but rather Mikazuki's older sister, Yuzuki, who developed romantic feelings for Keita.
2. Aki-Sora: In a Dream
This anime is the creation of director Takeo Takahashi and has the native title Aki Sora: Yume No Naka. The series explores the story of Aki and Sora, who indulge in a forbidden relationship while keeping it hidden from their mother and sister Nami.
Their secret affair has endured for a significant period of time. As they get older, Sora and Aki both come to understand how deeply buried their emotions are.
Unaware of the forbidden relationship, Nami plans to match her brother with one of her closest friends Kana. However, it becomes apparent that the secrets within the Aoi family extend beyond Aki and Sora. Nami herself is secretly involved in a romance that she hides from everyone.
3. Simple yet Sexy
Simple yet Sexy is an anime that shares similarities with Overflow. The story focuses on Rena, an extremely timid office lady, and Ryouhei Hachiya, her coworker.
Apart from her shyness, Rena is known for being one of the most innocent individuals in their workplace. However, she exudes remarkable beauty when she dresses casually.
Captivated by Rena's beauty, Ryouhei unintentionally expresses his feelings in an attempt to get to know her better. But Ryouhei's confession leads them to a love hotel. And similar to the Overflow series, they embark on a secretive romantic relationship.
4. Falling Girls! A Girl Comes... Falling from the Second Floor
Similar to Kazushi Sudou's experience in Overflow, the protagonist of this anime also encounters a sudden and peculiar event. It all starts when the ceiling of Sosuke Aikawa's house creaks and collapses, resulting in two gorgeous girls falling from the second floor.
This bizarre incident leads to an unconventional relationship. The two girls who fell onto Sousuke, Sunao Unyuu and Yuki Shimizu, are now living under the same roof. The three of them embark on a comical, romantic, and passionate journey together.
5. Yari Agari
This anime shares a similar premise to Overflow, but it takes a darker and more intricate approach as the friendship among the three main characters is complex and highly toxic. Ichika, Shinji, and Serina have been best friends since their childhood, but an incident shatters their bond.
Nevertheless, fate brings them together again as they find themselves attending the same school. Unfortunately, the fracture in their relationship leads Serina to hold a deep grudge against Ichika. Serina even goes so far as to create a gang whose primary purpose is to annoy Ichika at school.
Ichika, in her determination to fix their friendship, tries to endure the cruel treatment inflicted by Serina's group. However, as the situation fails to improve, Ichika reaches a breaking point and sets up a plan to put an end to Serina's group.
Shortly after making this decision, Ichika receives a video from an anonymous sender. The video contains footage captured by a camera installed in Serina's room. Now, Ichika is left with questions: Who sent the video? And what will Ichika do with this newfound evidence?
6. Washer! She and I in the Women's Bath!?
The life of Souta Tsukishima takes a turn when he lands a job as a back rubber at a public bath. He assumes a new identity while working there. However, one of Souta's classmates Aoi unexpectedly visits the bathhouse and recognizes him.
Aoi's visits to the public bath become more frequent, and each time, Souta finds himself assigned to scrub her back. Despite his lack of enthusiasm, he dutifully carries out his responsibilities as a back rubber.
As time goes by, Aoi begins to realize that Souta is the one who massages her back. Simultaneously, Souta starts picking up on romantic signals from her.
Both Washer! She and I in the Women's Bath!? and Overflow shares a common theme of a love story between the two main characters, where their feelings gradually develop in the setting of a bath.
7. Those Science Freaks
What Overflow has in common with Those Science Freaks is its blend of refreshing humor and the passionate romance between the main characters. This anime explores the unique love experiences of Airi, Haruki, and Ayana.
The story begins with Ayana and Airi establishing a Mechanical Science Club and a Chemical Science Club at their school. As a close friend to both of them, Haruki finds himself torn between which club to join.
Adding to the complexity of their relationship is Ayana's older sister, Touko, who has a reputation for being provocative. Touko creates a chemical formula that stimulates one's sexual desires and gives it to Ayana. Thus, the intricate love triangle between these three best friends begins to take shape.
8. XL Joushi
Similar to Kazushi's awkwardness in Overflow, Saki Watase in the anime series XL Joushi also finds herself in uncomfortable situations. It all starts when Saki decides to take on a side gig as a product reviewer to earn extra income.
However, her plan takes an unexpected turn when she realizes that the product she has to review is a box of jumbo-sized condoms. Fearful of being caught by her colleagues at the office, she decides to hide them.
During a drinking party with her coworkers, including her nerdy boss Sudou Keisuke, Saki becomes heavily intoxicated. Concerned for her well-being, Keisuke offers to accompany her home.
As they arrive in front of Saki's apartment, Keisuke accidentally catches sight of a large box containing oversized condoms. Curiosity piqued, Saki explains the nature of her work involving these condoms.
In a surprising turn of events, Keisuke reveals that he can relate to the product as he, too, belongs to the XL category.
9. Fire in His Fingertips: My Childhood Friend is a Fireman
Similar to how Kazushi fought against the Shirakawa sisters' seductive charm in Overflow, Ryou Fujihashi faces her own challenges in resisting the captivating charm of the well-built firefighters in Fire in His Fingertips: My Childhood Friend is a Fireman.
The story opens with Ryou's apartment catching fire, trapping her in the consuming blaze and leaving her terrified. In her desperate panic, Ryou tries to awaken her neighbors, urging them to escape and call for help. Luckily, one of the neighbors swiftly contacts the fire department.
Interestingly, the fire incident brings Ryou to her childhood friend, Souma Mizuno. Souma, whom she once had a crush on, has always been popular with women, causing Ryou to keep her distance.
Witnessing Ryou's loss of home and possessions, Souma kindly offers her a place to stay at his house. Ryou reluctantly agrees, establishing clear physical boundaries between herself and Souma.
However, despite her efforts, Ryou finds herself unable to control her overflowing emotions for Souma. The boundaries she set are compromised as her heart takes over, leading to a breach of the physical boundaries she had initially established.
10. Fire in His Fingertips 2: My Boyfriend is a Fireman
A follow-up story to Fire in His Fingertips: My Boyfriend is a Fireman, we will witness the development of a romantic relationship between childhood friends Ryou and Souma, who have finally confessed their feelings for each other.
As they embark on their journey as a couple, they find joy in expressing their deep affection. However, their newfound happiness takes an unexpected turn when Ryou's ex-boyfriend Rei Hidaka joins her workplace as a new employee. Rei has known both Ryou and Souma since they were in elementary school.
Recognizing the potential complications, Ryou attempts to keep his distance from Rei. Nevertheless, circumstances bring them together as they end up on the same team for a work project. Will Ryou be able to navigate this situation and preserve his relationship with Souma?
Similar to the previous season, this anime maintains its high production quality. The visuals and voice acting remain consistent, ensuring a seamless continuation of the story. The introduction of a third person into Ryou and Souma's relationship adds an extra layer of tension, keeping viewers engaged.
11. Master Piece The Animation
Master Piece The Animation not only explores the childhood friend romance trope similar to Overflow but also delves into the intricate dynamics between the main character and his new family.
It tells the story of Yuuji Enomoto, a young man who is now in high school. Following the passing of his parents a few years ago, Yuuji is adopted by the Tsubakihara family, consisting of childhood friends Yuna and Nina, as well as their mother, Mira.
In addition to changing his last name to Tsubakihara, Yuuji now finds himself living under the same roof as the twin sisters and their mother.
One day, Yuuji accidentally overhears Yuna turning down a date invitation from one of her friends at school. She confesses that her affections lie with someone else – none other than Yuuji himself.
Upon learning this, Yuuji becomes determined to express his own feelings for Yuna. However, as Yuuji and Yuna start their romantic journey, obstacles arise in the form of interference from Nina and Mira, affecting Yuuji's emotional pursuit.
12. Childhood Friends with Benefits
With a similar friends-with-benefits premise to Overflow, this anime is likely to resonate with fans of that concept. The notable focus of this anime lies in the intense sexual dynamics between the two main characters.
After 15 years, Yukihisa and Shiho reunite. The childhood friends reminisce about their high school days when they made an agreement to become intimate partners for three years.
During that time, Shiho heard a rumor among her friends that being a virgin was considered shameful. This led her to ask Yukihisa for assistance in losing her virginity.
Those are some anime series that share similarities with Overflow. These series not only share the same genre but also feature comparable storylines and characters, making them an intriguing watch. Feel free to enjoy these shows at your leisure.
Please note that the majority of the mentioned anime titles fall under the adult category, as Overflow itself is not intended for all ages. Therefore, make sure that you are at the appropriate age before watching these anime!