Kuroki Kemono to Yoru no Hana

Shiga Azuma, a promising young leader of a bloody criminal organization, stops to buy flowers for his father's grave from the shop of the blind Anji Haruki. And he keeps coming back, drawn to Haruki's innate kindness and comforting presence - the complete opposite of his world. But their relationship unearths darkness, obsession and secrets on both sides, and threatens to destroy them both.