The Queen Is Busy (Manga)
Other Name: Her Majesty is Busy / Hoàng Hậu Bận Lắm / 皇后很忙

Genres: manga, Manhua, Shoujo, Drama, Historical, Isekai, Romance
Authors: 昭花社
Chapter: 40+
Year: 20XX
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Description:
A 19-year-old girl named Qing Tian was suddenly transported in time to an unknown dynasty. At first, she thought she could slowly enter the battles of the harem, but she’s surprised to find out that she’s actually the Queen! How did this messy story come to be?