SARUHIKO LUKA is a young daughter of the famous businessman. One day, she woke up to herself lost in the hospital. SARUHIKO KENJI is a brother of hers, from another mother. He, the only person of heir alive, is the only person to care for her after her family's tragedy. Luka has flashbacks of her family and boyfriend from time to time. Through the happy and sad times together, Luka discover that she love Kenji. Will her love ever be return?