Emi is a cool and perfect student council president, while her sister Ruka is like a popular idol, always surrounded by people. They have a younger brother named Mizuki, who is just an ordinary male student.
Since they were young, Emi used to tease Mizuki with her cool and perfect attitude, while Ruka, who is strict only towards her brother, treated him like a servant. But something unexpected happened to Mizuki when he started developing feelings for one of his sisters…
The sisters, unaware of Mizuki’s romantic feelings, never even considered the possibility of him finding love. Instead, they became more affectionate towards him. However, Mizuki’s happiness was short-lived when something sudden happened that took away his joy… Seeing her brother looking so worn out, Emi couldn’t bear to see him like that. She decided to do something drastic to help him feel better…
