Papa no Iukoto wo Kikinasai! explains the day-to-day of an universitary student that has to live with three sisters that are not from his family: a tsundere (14 years), a little demon (10 years) and a small girl (3 years). (Source: Animesque)

The story revolves around Takumi Tsuzuki, a boy who lives with his older "sister" Otome, although the two have no blood ties between them. Otome manages a run-down confectionery store called Stray Cats. One day, Otome picks up a mysterious beautiful girl off the streets. (Source: Anime News Network)

An anthology focusing mostly on stories of side characters adapted from Papa no Iukoto o Kikinasai!

19-year-old Segawa Yuuta was looking forward to starting his new university life and living the normal university life, making new friends, etc, etc. But suddenly, when the plane his elder sister and brother-in-law were on went missing, he became the "father" of his three young nieces! Now, his six-tatami mat apartment not just has to accommodate himself, but 14-year-old Sora, 10-year-old Miu, and 3-year-old Hina. What will be the fate of Yuuta?

The younger of three sisters, Hina Takanashi is a energetic and good-natured 3 years old. The three sisters had their parents lost in a plane accident and they now live with their 19-year old uncle, which is struggling to keep the family unite and happy... and little Hina brings her happy mood to brighten the darker days. This spin-off story is parallel to the main series.

Sora Takanashi is the eldest of the three sisters and a 2nd grader in middle school. She is 14 years old and has a tsundere personality. She normally refers to Yuuta as "older brother (Onii-chan)". She has fairly good grades in school but is not adept at cooking. This is the spin-off story of her before the main series started.

Hazuki Kagimura is a normal girl who is usually alone. Her relationship with her new family is not going so well, so she retreats every day to the world of stories and books. One day, after school, one of the library's bookshelves sends her to another world with a magic school, where she meets Shizuka Tsuchimikado. She finds out that girls (called "mädchen") who attend the school are selected by old fairy tales and folk stories to wield their magic, and are taught how to wield it in the school. The school has girls who are chosen by such stories as Kaguya-hime no Monogatari, Issun-bōshi, Der Freischütz, Shuten-dōji, The Little Matchstick Girl, The Gigantic Turnip, Arthurian legends, and The Ramayana. Hazuki herself is chosen by the Cinderella story. She begins her new life at the school to become a magic user, and be friends with Shizuka. (Source: Anime News Network)

Spinoff of "Papa no Iukoto wo Kikinasai!" featuring Miu's perspective on events.

Takumi Tsuzuki lives with his older sister. His sister, who is the manager of a failing confectionary shop called『Stray Cats』, is a good-natured, clumsy klutz, so he has to do his best to keep the store running with the help of his childhood friend who lives nearby, Fumino Serizawa. Then, his sister picks up a mysterious beautiful girl! In addition, the girl makes a new circle (of friends) with clever girls and troublesome friends. Moreover, Takumi and the girls have a common secret……a high tension romantic comedy featuring male friendships and tsundere pretty girls has begun!!

The series centers on Makoto Shiranui, a boy who travels to Tokyo seeking to become the apprentice of Mamoru Hoshisato, a world-famous magician and friend of his parents. Ever since he had watched a show by Mamoru and his wife Maive, he had dreamed of being a magician. Their daughter Kana (nicknamed Hatena) has been Makoto's friend since childhood. Even though Tokyo has had a rash of burglaries by a beautiful woman thief, Makoto can rest easy as long as Hatena is there. When he arrives at the Hoshisato residence, a haunted mansion, the family butler Jeeves and the maid Emma greet him, and he is reunited with Hatena, only to find out that they don't really get along now. (Source: Anime News Network)

"When I arrived at this isolated island in another world, I encountered a wild princess!" Starts on an isolated island in another world, a Family Survival! During a trip to celebrate her failing in the entrance exams, Shinjou Ren and her family ended up in another world, where they met a wild girl that doesn't know how to talk. So they gave her the name Elsa and their adventure begins! (Source: AmazonJP)

A spin-off of the main series that takes place four years after the events in the 18th volume. *Note: Includes 2 extra chapters.*