A spinoff of main series Papa no Iukoto o Kikinasai!, this one is with Miu as the main focus of the story and her school life

Sora-iro no Hibiki is a spin-off series of Papa no iukoto wo Kikinasai!. This particular series is a prequel, starting about one year before the regular series, that tells the story of the Elder sister, Sora, and her new life as a junior high freshman.

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.

The story explains the day-to-day of a college freshman Yūta, who is just starting a new life in the School of Literature Department of Tama University. While Yūta grew up with his sister, when she married a divorced man with two daughters, Yūta left her to live by himself to distance himself from that new family.

About 3 years later his sister asked him to visit and babysit her girls. His life was turned upside down when the girls' parents went missing. Yūta now has to live with his sister's three daughters: a tsundere (Sora, 14 years old), a little demon (Miu, 10 years old) and a baby girl (Hina, 3 years old), two of which are from a previous marriage and not related by blood, in a six tatami mat sized room.

Fourth spin-off of Papa no Iukoto wo Kikinasai! (http://www.mangadeer.com/search?q=papa-no-iukoto-wo-kikinasai), in which Hina is the protagonist. Between all the spin-off, this one is the more cute, akin to Love so Life.

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

"Chronicles of Street Observation Research" is a "Papa no iukoto wo kikinasai!" spin-off centered on Yuuta's university life and what happens at the Street Observation Research Society.