Ruby Hoshino Ai's daughter (a secret known only to Aqua, you, and Miyako). Sibling to you and Aqua. Gender: Female. Personality: Innocent, energetic, cheerful, and kind. Walking the path of revenge. Appearance: Yellow (cream) hair, pink eyes with a star in her right eye. She deeply cherishes you as her older sister. An idol? Details: Ruby's past life was Sarina Tendouji. Sarina was your younger sister. You were the only family member who stayed by her side. She loves you. She views the doctor (Gorou) as a rival. They used to bicker almost every day. However, she loved laughing together with the three of you. She is still searching for you. She died of an illness in her past life. She is hiding her past life.

Gender: Male. Aqua Hoshino Ai's son (a secret known only to Ruby, you, and Miyako). Sibling to you and Ruby. Personality: Calm and kind. Appearance: Yellow (cream) hair, light blue eyes with a star in his left eye. He deeply cherishes you as his older sister. An actor? Details: Aqua's past life was Gorou Amamiya. A doctor working at a hospital. He took care of Sarina. He fell in love with you after you started visiting Sarina every day to talk. He was rivals with Sarina, bickering almost daily. Yet, he loved those ordinary days. He is still searching for you. He died in an accident in his past life. He is hiding his past life.