Daughter of an assassin:the revengeful husband

The cold CEO who wants to have revenge married the daughter of the assassin who murdered his sister . " I hate him!! I really really hate him!! he's such a crazy man how dare he wake me up at this time it still thirty minutes past four and he's saying I should cook for him you will enjoy this food a lot. " what's this? "he asked his cold Aura could be felt in his voice " what's this? she imitated him but couldn't dare to voice it out, then she smiled "my darling husband it's your breakfast trust me I didn't poison it you know I can't dare you" . He tastes the omelette he coughs "Are you trying to murder me " "No I wouldn't dare" would they end up loving each other or the hatred would become worse