On her way back home late one night, office worker Sophie stumbles into another world where she's a princess?! Well that's what Alan, prince of the Lapis Kingdom, says. To return to her world she must fulfil...

Our Female Lead was forced to replace her sister's place and become concubine to an elder Emperor. However, on her first night at the palace, the Emperor drops dead from poison, right at her feet! The Empero...