If you're looking for manga similar to Aoi Hane Mitsuketa! Sagashite Miyou Mijika na Tori-tachi, you might like these titles.
When Noriko, Amane and their friends left for a week-long summer camp experience in the countryside, they had no idea that they were about to embark on a galactic adventure! After helping a wounded, dog-like alien, the creature offers to take them to a spaceport on the moon where fantastical beings, flashy sights and new friends await them. Together, the gang will travel between worlds, dodge nefarious poachers and even encounter the most famous television show in the galaxy, as they embark on the best summer vacation of their lives!
In the city of Salta, a place where the sun never shines, a community of vampires lives. Hipira is a little vampire who lives the life of a typical boy, attending school and dealing with bullies along the way. However, he also has a soft spot for exploring, playing pranks on others and having grand adventures! Whether he’s befriending a human soul, scaring his neighbors by pretending day has come or encountering giant frogs and aliens, Hipira is always getting himself into and out of trouble.
When cheerful orphan Pollyanna comes to live with her strict Aunt Polly, Pollyanna's unyielding optimism lifts the hearts of everyone around her.
After losing her parents in a car accident, Okko goes to live in the countryside with her grandmother, who runs a traditional Japanese inn built on top of an ancient spring said to have healing waters. While she goes about her chores and prepares to become the inn’s next caretaker, Okko discovers there are spirits who live there that only she can see – not scary ones, but welcoming ghosts who keep her company, play games and help her navigate her new environment. The inn’s motto is that it welcomes all and will reject none, and this is soon put to the test as a string of new guests challenge Okko’s ability to be a gracious host.
Sakura Kinomoto never imagined that by opening a book in her father's library, she'd be responsible for releasing wild magic into the world, yet that's exactly what she did. Too powerful to be let loose, the magical Clow Cards were sealed away long ago by their creator, Clow Reed. But all is not lost! For the guardian beast, Keroberos, was sealed along with the cards. Can Sakura, with the help of Keroberos, retrieve the cards before they wreak havoc on the town?
When Heidi is left in the care of her grandfather, a mountain hermit with a bad reputation, the child falls in love with her new rural home and adores her gruff but good-hearted grandparent. For Heidi no place will ever be home but her dear mountains the Alps.
Orphan Mary Lennox moves from India to the English moorlands to live with a wealthy uncle she's never met. The young girl wanders the grounds of her new home and discovers an abandoned garden that's been locked away for a decade. With the help of a nature-loving local boy, Mary works to bring it back to life. As the seeds begin to open up, so do the hearts of those who come to look upon the mysterious Secret Garden.
Ever since Pollyanna was accidentally sent a pair of crutches instead of a doll, the little girl has learned to be glad about everything. (Her father told her to be glad she didn't need the crutches) Her "Glad Game" encourages those around her to try and be grateful for their own blessings. When Pollyanna is sent to live with her cold Aunt Polly, her optimistic enthusiasm faces its biggest challenge yet- Aunt Polly doesn't see ANYTHING to be glad about!