If you're looking for manga similar to Hiiro no Kakera: The Tamayori Princess Saga, you might like these titles.
In the year 1923, Takiko Okuda is living in a small Japanese town with her dying mother, while struggling with feelings of loneliness and heartbreak. After a long absence, her absentee father finally returns home with a mysterious book named ‘The Universe of the Four Gods,' which he has spent years obsessively translating. When Takiko's mother dies, Takiko vents her frustration and anger on this book her father seems to value above his family; and to make matters worse, she's then transported into the book and finds herself called the Priestess of Genbu. However in this land of Hokkan, the Priestess and her seven celestial warriors are not welcome; Takiko must overcome many trials to save this other world that does not seem to want her.
These titles have key elements in common:
1. Both based upon a central female character who is thrust into a bizarre and unfamiliar position due to supernatual forces. Both must shoulder the burden of a serious supernatural threat and attempt to solve a vast issue
2. Both are surrounded by combat-focused characters (mainly men) who strive to protect her - even if they pretend not to get along with her
3. Both females face the loss of a family member and conflict within their family
4. Both end up cultivating romantic feelings in those around them that they shouldn't
"This wand will bring you 'fortune', I'm sure." Lulu is an incredibly positive girl, who is overflowing with dreams and hopes. She aspires to become a magician after falling in love with her grandmother's magic. However, she was not born with an 'element', like everyone else who is able to use magic, which becomes a hurdle for her to achieve her dream. In the world renowned "Mils Clare Academy", in the magic capital Latium, Lulu goes through daily struggles to harness an inner element. Friends with peculiar characteristics begin to gather around her. Every day she seems to find herself involved in all kinds of happy(?) trouble.
When she suddenly wakes up, the heroine, Fuka, who was in a completely unknown land, has no memory of anything. All of a sudden, an unknown silver-haired man suddenly points his sword at her as the whole town runs about in confusion trying to escape. I’m going to be killed — at the moment she resigned to that thought, the one who extends a hand out to rescue her is …?
The Cosmos is ruled by a holy queen who guides and watches over the movement of the stars. By balancing elemental forces with the help of nine Guardians, she keeps the planets stable and the people content... However, the power of the queen is fading and a new queen must be appointed. Two girls are selected to be the queen candidates: Rosalia de Catargena who comes from a noble family in one of the main domains and the main character, Angelique Limoges, a seemingly ordinary girl. Will Angelique become the holy queen? Or will she fall in love with one of the many handsome Guardians and forfeit her candidacy?
The protagonist Fujisaki Futaba is a university student who had no interest whatsoever in idols… until she got a job at James Entertainment and is assigned to manage the popular idol group, “forttê”.
Yunoha, a 20-year-old who hates the countryside and likes cute things. She went to Tokyo junior college by oppressing his parents, but for some reason she returned to his home inn “Fukujuro”. And now to serve as an extraordinary general to rebuild the Fukujuro where the ancient birds cry. Can Yuno become a full-fledged landlady while being pounded by the handsome guys around her?