Sweetsheart Kingdom

"The Sweesheart Kingdom is where various sweets and pastries are made, and is also inhabited by animal people who were good at baking pastries and desserts, hence the name. That's also where Princess Mousse Bibi lives there. They even have to learn some legendary magic that's called 'delicious miracle.' Yep, that's right. That's where the kingdom's inhabitants were addicted to it."

--Su Ji-Hoon, God Save Mousse Bibi

The Sweetsheart Kingdom (Chinese: 甜心王国; pinyin: Tiánxīn wángguó) is a magical world filled with various sweets and pastries, inhabited by animal people who are good patisseries and cooks on each dessert.

It is where Princess Mousse Bibi located in her castle but soon going to ascend to the throne as the new Queen, however all she cared on her life is to taste various kinds of cakes and sweets. It also where the Cake Fairies located from each locations.

She leaved from her castle to search for the legendary magic called Delicious Miracle (Chinese: 美味奇迹; pinyin: Měiwèi qíjī) for cure her condition which started her adventure and her will befriends with the Cake Fairies after her suffer Aguesia made her no longer taste anything since Lyan's evil plan which made her suffer Aguesia was completed.

By the end of the series, Mousse Bibi finally became the Queen of the Sweetsheart Kingdom when she and the Cake Fairies were completed their adventures after her cure and her sense of taste returned. It also famous for sweet patisseries,cooks on each dessert and sweet foods.

In When the Cold Breeze Blows Away, it will be first appeared in during the USRAC War that Mousse Bibi is now the Queen of the Sweetsheart Kingdom after she and the entire Cake Fairies have more adventure

Until her assassination which cause the war, it will be under chaos and occupied by the Chaos even though Cake Village and the rest of Cake Fairies have survived.

However, it will be liberated later after The Seven Heroic Legends and the allied Chinese forces united with the Cake Fairies and complete revived Mousse Bibi to perform their resistance and battling against the Chaos.

After  the war, it will be advanced and increased on security, population, economy and social in the advanced era by Mousse Bibi and the Cake Fairies that it will join the New Central Powers later after it gained advanced technology from the New Central Powers but Mousse Bibi will have her revenge which against the Grand Alliance after Clover, Samantha and Alexandra has been framed for her assassination.