The Mascot for the Muscisan Kikuo. He made his first appearance in Soshite Kimi Wa Tsuki Ni Natta (Vocaloid)’s music video, and also serves as Kikuo's mascot (referred to as "Live version Hoshi-kun").
In Soshite Kimi Wa Tsuki Ni Natta (Vocaloid), he wears an Aqua Coat and Beanie With a Pink Scarf.
Live Hoshi-Kun wears a Rainbow Wig, Red Horns and a large blue trench coat.