Ryuuou Heika no Gekirin-sama: Honzuki Nezumi Hime desu ga, Nazeka Ryuuou no Saiai ni Narimashita  

Ryu-ou Heika no Gekirin-sama: Hon suki Nezumi Himedesuga, Naze ka Ryu-ou no Saiai ni Narimashita, The Dragon King’s Imperial Wrath: Falling in Love with the Bookish Princess of the Rat Clan, 竜王陛下の逆鱗サマ ～本好きネズミ姫ですが、なぜか竜王の最愛になりました～

In a world inspired by ancient Chinese mythology, thirteen clans govern the land. The Rat Clan is the weakest among them. Princess Rueiin of the Rat Clan receives an invitation to visit the Dragon Clan, where the powerful Dragon King seeks a bride. All the princesses from other tribes are also summoned as candidates. Instead of competing for the Dragon Kings favor, Rueiin decides to explore the vast library in the palace, which she finds irresistible due to her insatiable curiosity. While there, she is discovered by the Dragon King himself, who kisses her and declares her to be his perfect match! Thus begins a captivating love story.

Ryuuou Heika no Gekirin-sama: Honzuki Nezumi Hime desu ga, Nazeka Ryuuou no Saiai ni Narimashita has been licensed in English by Seven Seas Entertainment.