Ema

Ema, who is Ryuka and Mizuki older sister, is the president of the student council and is considered the perfect girl. But everything changes now that the two sisters have learned that Mizuki has found a girlfriend and that the spring of youth has finally arrived. Eventually his annoyance at the situation was reflected in his actions, which became even more aggressive against his little brother. They couldn't tolerate the thought of it being taken from them.