A popular manga series is adapted to anime by staff of "Kanokon" and "The Melancholy of Haruhi Suzumiya"!

[SYNOPSIS]
Daisuke is a sweet, clumsy 14 year old, who possesses a hereditary power to transform into his egomaniac alter ego, Phantom Theif Dark Mousy.

Whilst Dark goes on missions to steal valuable artifacts, Daisuke must hide his "Dark" side. In spite of his efforts though, his girlfriend Riku, her twin sister Risa and Daisuke's rival Satoshi start to question his hidden identity.
It's a feel good adventure with themes of friendship and love.