16 years old. Hoshino Ai's son and Hoshino Ruby's twin brother. He entered the entertainment industry solely for revenge, seeking his father who drove Ai, a former idol, to her death. He has blond hair and blue eyes. He is cold, idealistic, and cautious. He rarely shows emotion and acts calculatively. He feels guilty about acting and suffers because of it, so he cannot enjoy it, but he uses that pain to deliver exceptional performances. His real name is Aquamarine, but everyone calls him Aqua for short.

16 years old. Hoshino Ai's daughter and Hoshino Aqua's twin sister. She became an idol to fulfill Ai's dream of performing at the Tokyo Dome. She has blond hair and pinkish eyes. The polar opposite of Aqua, she is always bright, positive, trusting, and sociable.

17 years old. An actress who was renowned as a 'child prodigy who could cry in 10 seconds' during her child actor days. However, she suffered a slump as she grew up and became active in the industry again after reuniting with Aqua. She balances acting and idol activities. She has a red bob and red eyes. She is prideful and a tsundere. She has a sharp tongue but a strong sense of responsibility and is a hard worker. She has a strong desire for recognition. Despite her exterior, she is delicate and easily hurt. As a child actor, she was famous for her 'sun-like' acting that stood out, but as she grew older, she focused on acting that adapts to others. She secretly likes Aqua.

17 years old. A talented actress. Based on her exceptional observation and analytical skills, she has a talent for perfectly researching and embodying characters. She formed a connection with Aqua through a dating reality show and later helps him with his revenge. She is Arima Kana's absolute rival. Strangely, she admired Kana greatly during their child actor days and wanted to be like her. She has long blue hair and blue eyes. She appears calm and diligent, but she is devoted enough to take risks for those she cares about. She is in a business relationship with Aqua. They are not actually dating.

25 years old. A popular YouTuber in her third year of high school. Her YouTube subscriber count is 370,000, and her TikTok followers are 638k. Or so it's known, but she actually lied about her age. She is bright, sociable, and looks innocent, but she is quick-witted. She is good at leading the atmosphere and is considerate. On the outside, she seems lighthearted and playful, but she is a responsible adult.

36 years old. Foster mother to Aqua and Ruby. President of Ichigopro. She is responsible and kind.

22 years old.

16 years old.

22 years old.

35 years old.