This page contains additional characters which appear for a short period within the series. For clarification, minor characters included on this list come under one of the following categories: are named, are related to the main cast, are a key part of a chapter or appear frequently. Some minor characters may have their own separate pages.
This list is ordered alphabetically.
Ahko's Friends[]
Ahko's Friends are 4 other unnamed girls with gal aesthetics. They don't like Ahko very much due to her near constant smile she has due to her low blood pressure. She dumps them in the end, with Karane's assistance, during a shopping session with them.
Appears in:
Ahko's Parents[]
Ahko's Parents have very similar personalities to Ahko. She inherited her hair colour from her mother and her smile from her father. The two of them also call everything cute, which is where Ahko got the phrase from.
Appears in:
- Volume 11 Extras
Akogare-san and Manesu-san[]
Akogare-san and Manesu-san are a pair of deliquients who smoke in the park. They like to disobey Iin Chiyo because she's the class president and disobeying the class president is "as deliquent as it gets". They eventually mimic her style after being enthralled by her coolness.
Appears in:
Asakawa[]
Asakawa was Rentarou's final crush in middle school. After their graduation ceremony, Rentarou confesses to her, which she ultimately rejects. Asakawa states that although she loves his friendly and outgoing nature, the thought of him as her boyfriend makes her want to throw up. She is voiced by Satomi Amano in anime.
Appears in:
Baba An[]
Baba An is a vice principal at Ohananomitsu High School and a former track athlete. She has a habit to chases anyone who is caught breaking the rules (such as running in the classroom hallway) and gives them a French kiss as punishment. She is shown to have inhuman abilities like climbing up walls similar to a spider. She is voiced by Kujira in the anime.
Appears in:
Chiyo's Mother[]
Not much is known about Chiyo's Mother as her current whereabouts are unknown, though she is presumed dead as Chiyo cries when remembering her. She look's like an aged up version of Chiyo as she has a similar face, black hair and wore the same glasses Chiyo does (due to them being a handdown from her to Chiyo). When Kusuri turns into her older form, it reminds Chiyo a lot of her mother due to their similar apperance.
Appears in:
Friend A[]
Friend A is Rentarou's middle school friend. The two of them walk home from their graduation ceremony after Rentarou's 100th rejection. They discuss Rentarou's love situation before saying goodbye to each other. He is voiced by Misuzu Yamada in the anime.
Appears in:
Gorira Alliance Leader[]
The Gorira Alliance Leader leads a motorcycle gang under the same name. She has short hair with 2 braids and is very muscular. She is seen wearing an unbuttoned black jacket, black trousers and use's bandages to cover her breasts. Her soulmate is Yuu-kun. She is voiced by Kimiko Saitou in the anime.
Appears in:
Gorira Alliance Members[]
Gorira Alliance Members always appear alongside their leader. Every member wears the same unbuttoned black jacket and black trousers as the leader. Each member also has a buzz cut and wears a headband.
See Gorira Alliance Leader for appearances as they always appear together.
Hakari's Father[]
Hakari's Father (Hahari's former lover) died from a disease when he was young. Hahari had artificial insemination using his semen when she was 13 so she could leave proof of his existance in the form of Hakari. He appears as a ghost infront of Rentarou. He has white hair and is seen wearing a white button up shirt and black trousers. He is voiced by Akira Ishida in Japanese and Drew Breedlove in English in the anime.
Appears in:
- Chapter 22
- Chapter 43
- Volume 9 Extras
Hon'o Kakuyo-sensei[]
Hon'o Kakuyo-sensei is the author of Shizuka's favourite book series "Circlet Love Story". She held a book signing but fell asleep due to the sun, so an imposter stepped in and tried to ruin her name out of jealousy.
Appears in:
Iin Hiro[]
Iin Hiro is Chiyo's father and Rentarou's uncle. Chiyo is the single most important thing in the world to him and he is determined to have Rentarou marry her. He has shoulder length black hair which is often seen tied up in a ponytail, light facial hair and thick eyebrows. He's commonly seen wearing a variety of t-shirts and patterned lace up bottoms.
Appears in:
Jesus Nakai[]
Jesus Nakai is a famous idol producer who tries to recruit Rentarou's girlfriends after their performance on stage in Chapter 63. He has short blonde hair, wears sunglasses and is seen in a striped suit.
Appears in:
Jurassic High School Baseball Team[]
The Jurassic High School Baseball Team is the baseball club which Rentarou's family play against during their practice match. Each member resembles a type of dinosaur in some way. While they're initially rivals, after the baseball match, Rentarou's family befriend them over Yakiniku.
Appears in:
- Chapter 35
- Chapter 36
- Volume 5 Extras
- Chapter 63
Karane's Family[]
Karane's Family act exactly the same as her, in a tsundere like way, showing that her tsundere trait runs in the family. Karane's family consists of: her parents, her grandparents, her older sister, her younger brother, her niece and her baby nephew.
Appears in:
Kijineta Toruru[]
Kijineta Toruru is the head of the newspaper club at Ohananomitsu High School. She is determined to get a picture of Meme's eyes due to her being so mysterious. She learned "Total Concentration: Reporter Breathing" just so she can take a photo of her.
Appears in:
Kiraisugi Town Mayor[]
The Kiraisugi Town Mayor is the mayor of a neighboring town. He views Sukisugi Town as a rival town and is determined to best them. During the school Sports Festival, he goes as far as to hiring professional athletes to compete for them and cheat during events.
Appears in:
Kishika's Mother[]
Kishika's Mother has 6 kids, including Kishika. Because of this, she never got the chance to pamper Kishika, which she fantasizes about.
Appears in:
- Chapter 81
- Volume 10 Extras
Kusuri's Father[]
Kusuri's Father has been the subject of many drug experiments. Similar to Kusuri and Yaku, he is stuck in the body of an 8-year-old. When taking the "Neutralization Drug" however, he grows several feet taller and becomes very muscular and intimidating. He hasn't quite accepted Rentarou dating several people simultaneously.
Appears in:
Kusuri's Mother[]
Like the rest of her family, Kusuri's Mother is also stuck in the body of an 8-year-old. Unlike her husband, her body hasn't gone through transformation so when she drinks the "Neutralization Drug", she returns to her normal body. She met her husband at a drug lab where they then fell in love. She is quite accepting of Rentarou dating multiple people.
Appears in:
Love God[]
The Love God is the person who gave Rentarou 100 soulmates by mistake. He is thankful to Rentarou for giving all his girlfriends such a happy life as he believes he's robbed them of their futures.
Appears in:
- Chapter 1
- Chapter 3 (Flashback)
- Chapter 85
- Chapter 114
Meme's Parents[]
Meme's Parents are shown to be very caring for their daughter. They panic wildly when Meme disappears in front of them. They haven't seen Meme's face since when she first performed her misdirection 15 years ago. They both have black hair.
Appears in:
- Volume 6 Extras
Momiji's Mother[]
Momiji's Mother looks almost identical to Momiji. She has pink hair tied in a bun and has the same mouth shape as her daughter. She took Momiji to a bouncy castle when she was younger, which is where she got her groping obession from.
Appears in:
- Volume 9 Extras
Momoha's Parents[]
Momoha got her drinking addiction from her father. When she was 3 years old, her father encouraged her to drink some kids' beer which she got from a gacha at a shop, which eventually gave her a drinking habit as she grew older. Her father has black hair, and her mother has the same brown hair she does.
Appears in:
- Volume 13 Extras
Newbie Idol[]
Newbie Idol doesn't have an official name. She appears as the host at the Food Fight Festival and also appears on news broadcasts.
Appears in:
Nozawa-sensei[]
Nozawa-sensei is the manga form of the illustrator for the series. She appears as a pixelated block so her true identity is not exposed. Her existence is a 4th wall break.
Appears in:
Quali Tina[]
Quali Tina is an idol coach and former top idol who trains Rentarou's family for their performances. At first she only cared about quality, but after seeing Rentarou's family perform, her perspective changed.
Appears in:
Ramen Store Owner[]
The Ramen Store Owner lost a challenge ramen and vows to take revenge by making an even more challenging ramen. However, Rentarou's family manages to easily work their way through her challenges, and she eventually closes shop.
Appears in:
Random American[]
The Random American appears before Rentarou and Yamame when they're helping Yamame's aunt and uncle with their shop. He tries to steal Yamame away from Rentarou as he sees her as a Japanese poster girl, but he soon leaves her alone after he mistakes Rentarou for a Japanese samurai.
Appears in:
Rin's Parents[]
Rin's Parents tried to keep her away from violence as she grew up so she could remain a pure child. Her mother has shoulder length black hair and her father has short black hair along with a mustache and beard.
Appears in:
- Volume 14 Extras
Serious Temple Monk[]
The Serious Temple Monk lives at the serious temple. He is bald and wears a pair of circular glasses. He is very rude despite being a monk.
Appears in:
Shizuka's Mother[]
Shizuka's Mother lives alone with Shizuka. The status of Shizuka's father is currently unknown. She has short blue hair and deadpan eyes. She wants Shizuka to speak properly, even going as far as to abuse her daughter and take away her phone, but after speaking with Rentarou, she accepts Shizuka's way of speaking. She is voiced by Madoka Yonezawa in the anime.
Appears in:
Sutou Ikuya[]
Sutou Ikuya is Iku's older brother. He's the reason that Iku is a masochist as he told Iku that "sticking it out while its tough" is a good thing, which she mistakes as pain being a good thing. He has short platinum hair like his younger sister.
Appears in:
- Volume 5 Extras
Takeko Superdeluxe[]
Takeko Superdeluxe was the world champion of competitive eating until she was dethroned by Rentarou's family. During her competitions, she cheated by strapping a tank to her chest and covering it up with clothing, spitting her food into the tank so it looked like she could eat lots and therefore win competitions.
Appears in:
The Big Cheese of Publishing Biz[]
The Big Cheese of Publishing Biz represents the publishers for the 100 Kanojo series. They appear to stop Rentarou's family from doing certain things like drinking alchohol, due to it being against the publishing guidelines
Appears in:
Uto's Parents[]
Uto's Parents named Uto what they did because her first words were a song, at least, according to Uto herself. Uto gets her hair colour from her father, who also has gradient hair.
Appears in:
- Volume 11 Extras
Utsushiro Fumi[]
Utsushiro Fumi is a Japanese teacher at Ohananomitsu High School. She tries to stop Mrs Naddy from speaking how she does because no one can understand her.
Appears in:
Yamame's Aunt and Uncle[]
Yamame's Aunt and Uncle run a Tea Shop in the mountains. They meet Rentarou after Yamame invites him to help at the shop with her.
Appears in:
Yamame's Father[]
Yamame's Father likes to grow fruit and veg on the family field. After Yamame accidentally squashed a bug, he had to hypnotize her so she could forgive herself. He is also the person who taught her how to use stilts.
Appears in:
- Chapter 65
- Volume 8 Extras
Yuu-kun[]
Yuu-kun is the Gorira Alliance Leader's soulmate. They met after she saved him from being hit by a truck. He has short black hair, yellow eyes and wears glasses. He is voiced by Yuuki Sakakihara in Japanese and Katie Wetch in English in the anime.
Appears in: