Plus-Sized Elf

After Wani Books' license to the series expired, Synecdoche self-published the series from April to May 2021, then started a continuation manga titled Plus-Sized Elf: Second Helping! (新・エルフさんは痩せられない。, Shin Erufu-san wa Yaserarenai; lit. Elf Can't Lose Weight New') in Akita Shoten's monthly seinen magazine, Dokodemo Young Champion, in October 2021, with its individual chapters collected into six tankōbon volumes. Both manga are licensed for English release in North America by Seven Seas Entertainment. An anime television series adaptation produced by Elias aired from July to September 2024.

One night, Tomoatsu Naoe, an osteopathic massage therapist, meets a new client. She is Elfuda, an elf from another world who gained an excessive amount of weight during her stay on Earth by eating French fries, who needs his help shedding pounds so she can be able to return through the portal that leads her home. As Tomoatsu assists with Elfuda's weight loss, many other overweight mythical creatures come seeking his help.

Tomoatsu Naoe (直江 友厚, Naoe Tomoatsu) Voiced by: Takahide Ishii (Japanese); Kieran Axel (English) A seitai massage practitioner who works at Smiley Boar, a relaxation clinic. He is in charge of setting treatments and meal plans for his clients, who simply refer to him as "Human". He has a serious problem with reptiles ever since he got bitten by a snake when he was a kid. Akiho Ino (猪野 明穂, Ino Akiho) Voiced by: Aya Uchida (Japanese); Allison Sumrall (English) The 40-year-old lustful manager of Smiley Boar who looks younger than her age suggests. She is unaware that Tomoatsu's clients are not humans. She likes to regularly go out for drinks, much to Tomoatsu's chagrin. She also has implied feelings for him, although on the beach island it is clear she desires a harem of men. Elfuda (絵留札, Erufuda) Voiced by: Ayasa Itō (Japanese); Shelby Blocker (English) An otherworldly elf who became fat from eating too many French fries on Earth and is seeking help losing weight in order to use the portal which leads back to her home. Although she accomplishes her goal at first, her weight keeps fluctuating with each visit between worlds due to her fondness for fries. She decides to live with Tomoatsu while following his weight loss regimen. In her universe, she is a skilled archer. Most of the creatures she meets from her world do not get along with her, due to the fact that she is often rude to them. Kuroeda (黒枝) Voiced by: Rena Hasegawa (Japanese); Elissa Cuellar (English) A dark elf who works at a convenience store. She is troubled by her large buttocks caused by long hours of standing and no exercise. Because elves and dark elves are natural enemies in her universe, she does not get along with Elfuda. However, in time, they grow to be frenemies. She is a sorceress who likes to collect materials to brew potions. Mero (米路) Voiced by: Sora Tokui (Japanese); Karlii Hoch (English) A merrow who works at a fish market. She can maintain a human form by drinking a special kind of medicine. She suffers from sagging arms due to a lack of swimming because of her busy work schedule. She speaks in Kansai-ben despite never visiting the region. Kusahanada (草花田) Voiced by: Miyu Kubota (Japanese); Kelly Martin (English) An alraune who owns a flower shop. She has a flower on top of her head and is troubled by its rapid growth from an overexposure to sunny weather. Her hobbies are gardening and sunbathing. She transforms into different personalities when she drinks other liquids than water. She can turn into a man-eating gyaru, an intoxicated woman, an incredibly lean and muscular energetic and coach, or any other person with all kinds of plants: a Venus flytrap by drinking coffee, pitcher plant by drinking alcohol and a shrub by drinking sports drinks. When she drinks Mero's transformation supplement, she gender-swaps from female to male. During the series, She seems to have feelings for Naoe due to his kindness, As she flirts a bit with him and one time even said she wanted a turn sleeping on his crotch. Oga (男鹿) Voiced by: Ayaka Fukuhara (Japanese); Olivia Swasey (English) An ogre who gained a beer belly from excessive drinking on Earth because of a fondness for alcohol. She is a fierce warrior who is tall and muscular, who fights with brute force and superhuman strength. She tends to display strong motherly instincts around children or child-like creatures. Laika (頼加, Raika) Voiced by: Madoka Asahina (Japanese); Jad Saxton (English) A lycanthrope who can switch between human form and animal form. She gained weight from the amount of food that humans fed her, thinking she was a pet dog due to her appearance, though she constantly insists she is not. She is innocent and friendly and tends to speak in the third person. Oku (奥) Voiced by: Aya Uchida (Japanese); Josslyn Johnson (English) A pig-like orc who used to be overweight, as orcs naturally are in her world. She came to Earth to achieve a slim figure by herself, which she accomplished through a strict diet with swimming exercises. However, when a local gym's pool was closed for renovations, she became overweight again. She resembles Tomoatsu's boss, Akiho, without glasses. Kobo (児穂) Voiced by: Kotori Koiwai (Japanese); Brittney Karbowski (English) A bratty kobold who gained flabby cheeks by eating too many sweets obtained from children at a playground. Although she has the appearance of a child, she is a full-grown adult. She likes shiny things and playing pranks on other people. She exhibits the speech sound disorder known as rhotacism, replacing her R and L with W. Satero (佐手呂) Voiced by: Yuka Iguchi (Japanese); Molly Searcy (English) A satyr who feeds on human desires. She also eats regular food, which has made her fat due to the high quality and excessive eating, particularly of Japanese cuisine. Her hobby is cooking, which she uses to lure her prey. She is the only mythical creature not in Tomoatsu's group of clients, yet on rare occasions she does join them at the beach for cooking barbecues. As such, she acts as the de facto antagonist of the series. On Earth, she will take a human form while out in public, mostly to scheme against Tomoatsu and his clients. However, she becomes easily embarrassed in lewd situations, especially in front of Tomoatsu, and her vengeful tricks backfires at her and sometimes she gets the wrong impressions with Tomoatsu's daily time with his clients mistaking them for a erotic harem doing sexual activities. Honeda (骨田) Voiced by: Kaori Maeda (Japanese); Juliet Simmons (English) A skeleton who was originally a fairy before her death. In her past life, she was a mage who was tried for treason and hung for her crimes she didn't even commit. She uses magic to reconstruct her body to what it looked like when she was still alive, although her pseudo-body has become fat as well. Gonda (含蛇) Voiced by: Aino Shimada (Japanese); Katelyn Barr (English) A lazy dragon who communicates telepathically. Her favorite food is meat and she gained weight by eating too much of it. Her strong instincts have caused her to fail at all attempts to lose weight on her own. Like Kobo, she also has an affinity for shiny things. Hitome (一目) Voiced by: Mikoi Sasaki (Japanese); Christie Guidry (English) A cyclops who is also tall and muscular. She has been boxing to lose weight, but due to her huge body, she has not been able to find a suitable sparring partner. She is bigger and taller than she normally appears and reverts to her original size if something, like a thunderstorm, scares her enough. She becomes sparring rivals with Oga due to their similar heights and builds, then maternal rivals when Kobo is involved. Oeda (大江田, Ōeda) Voiced by: Shizuka Ishigami (Japanese); Shelley Calene-Black (English) Elfuda's aunt. She is a weapons tutor who is known as one of the best warriors in her family. Her body is covered in scars from past battles. She came to Earth to bring Elfuda home, but also became fat and unable to return to her universe due to an addiction to soft serve ice cream.

Plus-Sized Elf is written and illustrated by Synecdoche. The manga was published digitally by Wani Books on their Comic Gum website from December 21, 2016, until June 17, 2020, at the manga's 45th chapter, before Synecdoche announced that Wani Books' license with the series had ended and that the manga would enter on hiatus in order to find a new publisher; Synecdoche took over posting the 46th and 47th chapters on Twitter, released on April 30 and May 29, 2021, respectively. On September 1, 2021, after revealing that Akita Shoten would be taking over as the series' publisher, Synecdoche ended the first manga and started a sequel, Plus-Sized Elf: Second Helping!, which continues the story. Plus-Sized Elf's chapters have been collected into individual tankōbon volumes across both series. Eight volumes of the original manga were published from June 26, 2017, to November 18, 2021, with Wani Books publishing volumes 1–7 and Akita Shoten publishing the eighth. The first seven volumes were reprinted by Akita Shoten from June 20, 2022, to February 20, 2023. As of May 2026, 6 volumes of the continuation has been published. Seven Seas Entertainment acquired Plus-Sized Elf for English publication in North America on November 17, 2017. On March 8, 2023, they acquired its sequel.

An anime television series adaptation was announced on January 15, 2024. It was produced by Elias and directed by Toshikatsu Tokoro, with scripts written by Yuki Takabayashi, characters designed by Katsuyuki Sato, and music composed by Cher Watanabe. A censored version of the series aired from July 7 to September 22, 2024, on Tokyo MX and BS11, while an uncensored version aired on AT-X from July 8 to September 23, 2024. The opening theme song is "Fried☆Pride" (フライド☆プライド, Furaido☆Puraido) performed by Real Akiba Boyz, while the ending theme song is "Minna de Diet" (みんなDEダイエット, Min'na de Daietto; lit. 'Let's Diet Together!') performed by the cast of the series. Sentai Filmworks licensed the series in North America, Australia and British Isles for streaming on Hidive, simulcasting the uncensored version.