boku_ga_monster_ni_natta_hi_(vocaloid)
A Vocaloid song created for Fukase by rerulili. It serves as one of his demos, and by far is the most popular of them.
Links
* Niconico* Youtube
By rerulili
* Boku ga Monster ni Natta Hi* Noushou Sakuretsu Girl
* Hyakunen no Koi
* Knife