SHITSUJI TO OJOU-SAMA!?

After living a simple, modest life, Ena suddenly jumps into life as an heiress at a mansion. With that comes days of grueling training at the hands of Takumi, her cold and uncaring butler...! But there's a reason why he wants her to quickly become the perfect lady... And so their relationship swings back and forth between hot and cold.

(Source: Renta!)