Review Detail of Tomoko in Brother-in-Law and I

This is a story about a pair of twin sisters. Well the author created the encounter of both male and female leads so nicely. But the problem is that we all know twins will have a great difference in their character and personalities no matter how close and similar they look... These happens in this story. What I expect the most is that the male lead will choose the younger sister as his best half... Because I sense that he have a thing for her... Author-san, you did a good job here.. I am dying to know the rest of the story...