Two geniuses. Two brains. Two hearts. One battle. Who will confess their love first...?!

Will Kaguya's family force her to marry a man she doesn't love to fulfill their political and financial ambitions? As Kaguya's father's days come to an end, the war of succession between her brothers heats up. Meanwhile, Ai gets a new assignment as a bodyguard, Yu and Miko get cozy on a couch, and Miyuki accepts a hefty bribe.

Family matters.