The story begins with a discovery for Aina. She learns a secret about her sister. Aina finds herself consumed by a different emotion, a burning, undeniable envy. She watches Rena, who seems to have Shota all to herself, and a desperate thought takes root.
This isn’t a simple crush. It’s a competitive fire stoked by years of sibling rivalry. Unable to stand Rena’s exclusive claim, Aina finally makes a bold move, directly propositioning Shota herself. She thinks she can seize control of the situation to outdo her sister.
Aina’s plan to be the mastermind quickly unravels. Her cool-girl act shattered like glass. She thought she was the one holding the control, commanding the plan with flawless strategy, but found herself utterly consumed.
