Young and powerful Yashiro can't stay out of trouble long enough to catch his breath. Will a brand-new bodyguard give this hot-headed pervert a taste of the calm he's never known...or will mayhem erupt as other gangsters take note? Twittering Birds Never Fly pulses with the energy of passionate men who won't take "no" for an answer! In a world where contracts are signed with blood, can a fragile friendship take root and grow into love?