Hyouketsu Reijou-sama wo Follow Shitara, Mechamecha Dekiaisarete Shimatta Ken @comic

Alicia Oslind is known as “The Frozen Lady.” She is seen as a villainess among the aristocrats because of her harsh words and attitude that make people think the worst of her. In truth, she just has trouble being honest with her feelings… However, there is one person that she allows herself to befriend. The only one she allows into her heart is a boy named Gray, who works as a manservant in the mansion. You are the only one who understands me! Alicia becomes completely devoted to Gray, spoiling him to the hilt, at mealtimes, in the bathroom, and before bed! Because the lady is an aristocrat and Gray is a commoner, he must endure this doting love! An intense fantasy love comedy! (Source: Super Hero Comics, translated)