If you're looking for manga similar to Miyakawa-ke no Kuufuku, you might like these titles.
As siblings go, Atsumi and Atsushi are anything but typical. High schooler Atsumi is exceptionally small for her age, and elementary schooler Atsushi is abnormally tall with a deep voice, leading to misunderstandings on both sides! Whether Moriyama-sensei gets embarassed by Atsushi's every move, or Atsumi is offered candy meant for children, or poor Atsushi is arrested for being a perv that’s trying to snatch kids on their way to class, this brother and sister duo is bound to have an eventful day-to-day life!
The everyday lives of five siblings—four sisters and one brother—who share a multi-unit apartment (danchi).
Momoko is a high school student, trying to live up to her older sister Sakura. Sakura works in an office along with many other coworkers. The two sisters, and their friends, experience the everyday hardships and situations of being a woman.
Tomoya’s father remarries to another woman, giving him a stepsister, Ichika. However Ichika is 17-years old and has completely fallen in love with her stepbrother who is only 13!
Akane is the third-eldest sister of nine super-powered, royal siblings and she wields the power of gravity. She, and the rest of the rulers-to-be, are monitored by more than 200 surveillance cameras and broadcast nationwide. The process is in place so viewers can elect the next monarch, like a reality TV show. Akane is shy and desperately does not want to be caught on camera.
Yamabuki High School attracts many art students due to its special art classes. Among the school's new pupils is Yuno, who dreams of becoming a famous artist. She lives in the nearby apartment complex Hidamari-so, along with the hyperactive classmate Miyako, the weight-obsessed Hiro and the tomboyish Sae. Together, the students live their day to day lives, including investigating the school's bizarre myths and deal with their cosplaying teacher. But whether they are in school, at the apartment or out shopping, working or playing, the four friends always manage to have fun in the process!
A story where the magical girls are all siblings living under the same roof.