Read Book Love of Kill, Vol. 1 (Love of Kill, 1) by FE
Ryang-Ha Song is an infamous master assassin who never fails to eliminate his targets. More than twenty organizations have taken out bounties on his head, yet no one can even approach him. But when he sets his sights on fellow assassin Chateau Dankworth, it's not to kill her—it's to seduce her! She may want nothing to do with him, but as he starts killing her targets for her, she's left with no choice but to play along with his games...