Aquamarine Hoshino
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Age: 16-
Gender: Male
Height: 172 cm (5'7")
Ai Hoshino's son. He is the twin big brother of Ruby Hoshino.
He was previously a doctor named Goro, who became a fan of Ai through his patient named Sarina. After reincarnating as Aquamarine and witnessing Ai's murder, he is intent on plotting revenge to the person who schemed Ai's death.