This story shouldn't be seen as a remake of Itazura na Kiss. Even though the premise and some events are similar, thinking of the original story is going to spoil this one for you.

The Male Lead is a very different person from Irie. Irie is socially awkward to the point of autistic, but Tenten is simply a jerk. His behaviour doesn't stem from his emotional incapacity. He's just prejudiced towards the FL due to their past experience and their intellectual incapability. Irie will always be awkward, even after marriage, because that's what he is. Tenten can be loving and charming if he chooses so. Understanding the difference between the two characters will make the story more palatable, esp. in the last quarter when Tenten chooses another woman not because he has to sacrifice himself for his father's company but simply because he thinks the other woman might be a better match for him.

Thus said, it is interesting to see how he falls in love with the FL "against his better judgement", esp. that Mike Angelo can portray emotions really well. Kudos to Aom Sushar Manaying as well. Both are great actors with sparkling chemistry between them.