Spoiled Brother Seducing His Perfect Student President Sister

Ema, the composed and flawless student council president, and Ryuka, her sister with idol-like charm, often tease and dominate their younger brother, Mizuki. Despite his ordinary life, Mizuki unexpectedly gains a girlfriend, sparking a shift in his sisters’ behavior. Sensing his newfound happiness, Ema and Ryuka grow more attentive, but when Mizuki’s relationship falters, he becomes despondent. Unable to bear his suffering, Ema takes a bold step to comfort him, shedding her usual demeanor and revealing a softer side.