a young billionaire is inlove to childish?

[NOW AVAILABLE ON NOVELCAT AND IREADER] Cold, Ruthless, Heartless, and arrogant. Those are the words that describe Edgar Romanov. A boss of a secret mafia organization based in Russia. And there is her Phoebe Rousseau, a French lady that happen to catches Edgar's eyes, and immediately becomes his hated treasured possession. Can she sacrifice herself help him to tame the untamed beast inside him ? What will happen with this two unique couple ?