rin-chan now! (vocaloid)
リンちゃんなう!
A Vocaloid song for Hatsune Miku, Megurine Luka, and Kagamine Rin with music by Owata-P, lyrics by Sezu (also known as Sugi no Hito), and illustrations by Tamura Hiro. Based on Tamura Hiro's doushinshi of the same title. There are many parodies and cover versions of it.
