Mangas

虹色とうがらし, Ớt Bảy Màu, Natane, Niji Iro Togarashi, Niji Iro Tougarashi, Niji-Iro Tougarashi, Rainbow-Colored Chili Powder, Nijiiro Togarashi
After the death of his mother, Shichimi sets out to join his half-brothers and -sister who live together in Karakuri Tenement, a place provided by the father they have never met.[2] He finds out that each of them had different mothers (all of whom have died), but were fathered by the same man. Not long after Shichimi's arrival, the siblings decide to journey to visit the graves of each of their mothers. On this journey, they encounter many dangers.
虹の谷のアン -  Anne in Rainbow Valley -  Rainbow Valley
Based on the 7th book in the "Anne of Green Gables" series - Rainbow Valley.
にじいろ恋旅館 -  Niji Iro Koi Ryokan -  Nijiro Koi Ryokan -  Rainbow-colored Love Inn
From Shoujo Crusade: Koasa is training to be an Okami (receptionist) at her family's onsen (hot spring). One day she'll take over, but until then, can she deal with troublesome clients, but most importantly... love?
虹色のシンデレラ, The Billionaire's Captive Bride
He wants his baby, so he'll make her his bride!To teacher Erin Lavelle, handsome billionaire Peter Ramsey was like a fairy-tale prince. But after two amazing days their affair was over. Peter had thought Erin was different until he discovered her secret.Then seven months later he finds her pregnant. Now there's only one way to ensure his unborn child's security...marriage. Erin's knight in shining armor has returned, this time demanding she be his bride!
にじいろ☆プリズムガール -  Niji Iro Prism Girl -  Niji-iro Prism Girl -  Niji-iro*Prism Girl -  Rainbow-Colored Prism Girl
虹色俱乐部 -  虹色★すくらんぶる 空色★すくらんぶるス -  Niji-iro ★ Sukuranburu -  Niji-iro Sukuranburu Sora-iro Sukuranburusu -  Rainbow Scramble
A short 6 chapters span of a oneshot that is a spin-off from Scramble-b! Here are some other titles related to this series: Sorairo Sukuranburu (is the Prequel) Sotsugyou Sukuranburu (is the Sequel) Sukuranburu-b! (Adapted From) ~ ming
Diary of Smiles
Kei is a young, not-so-successful screenwriter. One day, she finds an unexpected vistor at the door of her apartment. A little girl named Niko, a secret child of a famous actress Mifuyu Shibano. Niko is sent to Kei because she is the only person who knows this secret, since she used to work for Mifuyu when she was not so famous. As she begins to live with Niko, she finds the girl is very self-contained. She tries an 'exchange diary' to communicate with her.

Niku Kyu !

4.69
2013
Yuuta est un lyceen tout a fait ordinaire vivant a la maison avec ses parents. Mais un jour, son chat se transforme en une magnifique jeune fille. Ses parents croient que le chat transforme en fille est une divinite qui apportera la bonne fortune a la famille. Yuuta est maintenant force par ses parents d'epouser son chat. Yuuta acceptera-t-il que sa future femme soit son chat d'auparavant ?
Yuta is a normal high school boy living in a normal house with his parents, but his cat turned into a beautiful girl. His parents believe that the cat-turned-girl is a god that will bring great fortune to the family. Yuta has now been forced by his parents to marry his cat. Will Yuta be able to accept the fact that his future wife used to be a cat? [DrCoke]
憎みきれないろくでなし -  Good for nothing -  Nikumikirenai Rokudenashi -  Too Much of a Scoundrel for me to Hate
1) Pleasure in the Office 2) Love me Tell me Ikumi has been in love with his classmate Kounari for a long time, but recently Kounari has got a girlfriend. At his point the chemistry teacher enters the stage to soothe Ikumi's broken heart. 3) The Fine Line Between Love and Hate Gohou is bored of randomly dating women and wants something more interesting. So he makes a bet that he'll seduce his poker-faced boss, only things don't go exactly acording to plan. 5) A Miraculous Romance Yuuki has always remembered his dog Tarou, and now a strange young man claims that he is Tarou.
肉体漢K
From Project Bite Me! Scanlations: In a world where women are constantly wanting to kill themselves and insult the hard working women that work at Soapland, a single man rises up to stop them! Who is that man? That man with the super masculine form and a body of steel? It's none other than Nikutaikan-K! While he blindly rushes to their aid, maybe his first action should be to find out what is causing these women to want to die in the first place?
ニルの恋☆魔法陣 -  Nil no Koi Mahoujin -  Nil's Magic Circle of Love
Nil, a 5th grader in an academy of magic falls in love with Kowloon, her scary-looking upperclassman. Will she be able to pluck up the courage to ask him to the academy’s dance party? She might need magic to give her a helping hand.
Nina ingin membunuh papanya -  Nina wa Papa o Koroshitai -  ニーナはパパを暗殺したい
Reiji Takahashi is a secret agent of the Interior Ministry who found a little girl during a mission. The girl Nina was trained by the mafia to be a cold-blooded killing machine. Now Reiji has been ordered to watch over Nina, and he better watch his back, too, because Nina is still out to get him! A hard-boiled child-care comedy remake from a popular SNS work.
いとしのニーナ, 亲爱的妮娜, Itoshi no Niina, My Lovely Nina, Nina My Love
One afternoon, Atsushi's best friend from childhood, Masa, informs him, "I kidnapped Niina Aota." Niina, whose popular nickname is "Nina", is the girl Masa fell in love with at first sight on the train attending school. Atsushi found it unexpected and hard to believe, until he heads over to Masa's apartment and discovers that Nina has really been kidnapped....
ニーナはパパを暗殺したい
2020
Daily Life of Sorceress Nina -  ニーナさんの魔法生活
Three days dragon flight from the nearest town, deep, deep in the forest, then deeper still, lives a 'witch.' Nina the witch, also called "the world's strongest witch." Visiting her is the apprentice, Iris.This is the record of the witch and her apprentice's peaceful days, in a remote forest that breathes illusions and magic.
NINEPEAKS ナインピークス -  ナインピークス
NINE TALES 나인테일즈
人間凶器カツオ!, Human Weapon - Katsuo
The protagonist Hamada Katsuo, is your everyday pervert/loser character. He's starting a new semester in school, so he wants to escape from his loser days, the only problem is the new change in look/lifestyle he got is that of a gang member. He beats a strong guy that was bullying a friend of his by mistake and now, because of it he's the target for all the gangs in the region, even though he's still only a weakling and a pervert. Will Katsuo escape alive...? Find out.
The Demon Who Falls in Love with Humans Is Smiling -  人間に恋した鬼は咲う
The boy I met that day is a grandpa now, and I can’t be a grandma with him because I’m a demon. Why are you a human and I’m a demon? A slightly painful tale of a boy carrying darkness and a demon who doesn’t know love.
No Longer Human -  人间失格
Yozo Oba is a troubled soul incapable of revealing his true self to others. A weak constitution and the lingering trauma from some abuse administered by a relative forces him to uphold a facade of hollow jocularity since high school.
人魚の涙 -  A Mermaid's Tears -  Kerinduan Ikan Duyung
A story of a girl who innocently tries to convey her deceased sister's feelings for an idol, but through a mistake she ends up in a web of lies and deception...
人魚王子, 인어왕자, Flowers I Pick to Give to You, Kimi ni Okuru Hana wo Tsumu, Mermaid Prince, Sekai wa Futari de Dekite Iru
This volume is a collection of three short stories by Yoshihara Yuki. Ningyo OujiMinako a hardworking office lady encountered a merman in the pond and was entranced by the beauty of his youth.(Also included in Yoshihara Yuki the Best Selection)Kimi ni Okuru Hana wo TsumuTakuto died and left behind his girlfriend, Kaya, but several years later, Takuto comes back and possesses the body of her new boyfriend…Sekai wa Futari de Dekite IruYouko is a succubus from hell and her rocket lands on the earth to feed off man's efforts. But one day, she met an ultra-refined priest and...
Forbidden Fish is Sweeeetest!!! -  Ningyohime no Gomenne Gohan -  The Mermaid Princess's Guilty Meal
2017
Quand l'amie poisson de la princesse sirène Ela est capturée et transformée en un délicieux repas, elle va à terre pour pleurer sa mort et l'aider à passer dans le grand au-delà ? Si seulement c'était la fin de l'histoire. Suivez Ela alors qu'elle découvre les merveilles des fruits de mer.
The beautiful singer Lucille and his orchestra invite you to the city of fear where puppets hunt down humans. The puppets are playing an oratorio of magic and illusions! 
人形再生工場 -  The Doll Rebirth Workshop
A mysterious doll maker grants "Plain Jane" Seika Hosokawa a new life as a pretty girl. Her new found beauty gives Seika the courage to ask her crush, Asai, out to the school 's cultural festival. However, Asai has an unstable childhood friend who will do anything to keep Asai all to herself.
人形芝居 -  Ningyou Shibai -  Puppet Show
In 28XX, two twin sons created an android doll from the storm and quiet. This story is of those who weave into contact with the doll, a neo-human drama.
Ninja Shinobu-chan no Junjou -  Shinobu's Pure Heart -  忍者シノブさんの純情 -  忍者忍同学的纯情
A slice-of-life series about a girl named Shinobu, a perfectly normal teenager and definitely not a ninja, nu-uh, no sir.