Main protagonist of [[Oshi no Ko]]. He is the [[mother and son|son]] of [[Hoshino Ai (oshi no ko)|]] and the [[twins|twin]] [[brother and sister|brother]] of [[Hoshino Ruby]].

He has [[blue eyes]] with [[star-shaped pupils]] and [[short hair|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.
星野アクア 星野愛久愛海