Satoshi Kashiwabara's heart was captured by Nichoume's charming prince, a notorious womanizer. But their first kiss was cut short by news of Satoshi's gravely ill father, forcing him to abruptly leave the hotel. After a few days, Satoshi discovered, to his surprise, that his step-brother was none other than the prince himself! This comedic romance follows the step-brothers as they navigate living together while grappling with their forbidden attraction.