Also known as: 星野アクア, 星野愛久愛海
Main protagonist of Oshi No Ko. He is the son of Hoshino Ai and the twin brother of Hoshino Ruby.
He has Blue Eyes with a star-shaped pupil in his right eye and short Blonde Hair with Hair Between Eyes & Swept Bangs.
He is voiced by Uchiyama Yumi as a baby & child, and by Ootsuka Takeo as a teenager.