If you're looking for anime similar to Hiiro no Kakera: The Tamayori Princess Saga, you might like these titles. All recommendations are made by Anime-Planet users like you!
Upon trying to save a friend from bullies, Shibuya Yuuri finds his head in the unlikeliest of places -- the toilet. Like a flash, Yuuri is then inadvertently sucked in, transporting him somewhere else! In this unfamiliar world of flying skeletons and magic, he is informed by a group called the Mazoku that he is to be the next Maou -- ruler of the kingdom! With harrowing and embarassing situations ahead, can our hero swallow his pride and lead a war against the common people when he can't even tell the difference between a slap in the face and a marriage proposal?
I recommend these because the main protagonists are in very similar situations. They have recently found out that they are the descendant/reincarnation of a very powerful individual. However, tapping into that power isn't their greatest ability. So, they have a very special group of bishounens to protect them. With magic, ancient powers, and plenty of fighting, these animes are fairly similar.
While reading "The Universe of the Four Gods", best friends Miaka and Yui are mysteriously transported into a strange world full of magic and unfamiliar faces. As if their arrival was determined by fate, Miaka is revered as the Priestess of Suzaku, the savior of their warring country, who was destined to arrived in a flash of light, from a land far away. Betrayal, love, and heartache accompany this fantasy-filled tale of friendships torn apart, and hope that never fades.
Tohru Honda is a compassionate girl who is down on her luck. Her mother having recently died, she has been forced to camp out in the woods for shelter. However, things start to turn around once she is invited to live with class hunk Yuki Sohma and his family... but all is not as it seems! Yuki's family is burdened with a dark curse which causes them to turn into the animals of the Chinese zodiac once hugged by a member of the opposite sex... and Honda may be the only one who can help them.
The Arcana Famiglia is no ordinary mafia. The organization, headed by the powerful Mondo, lives on Regalo Island and protects its citizens from crime and corruption with the help of certain members who wield supernatural powers known as Arcana. But Mondo is growing older, and has decided to organize a tournament to determine which Arcana wielder will take his place – and his daughter Felicitá's hand in marriage, much to her dismay. Now, as Felicitá herself and other friends and colleagues wait to enter the competition, they reminisce about old times, perform good deeds for the townsfolk and continue to hone their Arcana skills.
both anime's have female protoganists that are surrounded by males..both protoganists also have friends who wants to be with her.As well as Otoya in uta no prince-sama likes the female protoganist, its the same for Takuma liking tamaki,but takuma was a bit grumpy when they first met.the 2 male protoganists ( otoya and takuma ) in the both anime..when they first met the heroine,otoya and takuma helped them