Kaede

Ryo Sunaga's older twin brother, Kei, died in an accident in New Zealand. Kei's girlfriend Ako Kinoshita got confused by the shock of her boyfriend's death. At that time, Ryo appeared in front of her. She mistook Ryo for her boyfriend. Ryo wasn't able to tell the truth to her. One month later, Ryo has pretended to be his older brother Kei and spent happy days with Ako, sharing their common hobby of astronomy books and telescopes. Even though he is bewildered by his double life, he gets attracted to Ako, who has a bright and straightforward personality. Before he realizes it, Ako has become the most important person to him. Meanwhile, Ako also holds a secret.