On her eighteenth birthday, Emi gathers the courage to reveal her long-hidden feelings for her stepbrother Tomomi. Just as she prepares to speak, unexpected visitors disrupt the household, seizing their belongings and leaving chaos in their wake. In the aftermath, Tomomi vanishes without a trace, prompting Emi to set out in search of him. Amid the turmoil, she begins to sense the emergence of a bolder side within herself, one that challenges her usual reserve.
