Koudaike no Hitobito

This comedy depicts the romance between a quiet, day-dreaming female employee named Kie Hirano
and Mitsumasa Koudai, a handsome male upper-tier employee just arrived from the New York branch.
Despite having trouble talking with people, Hirano is suddenly invited to eat with Koudai for some reason.
Mitsumasa turns out to be actually charmed by Kie's personality, and they start a relationship.
His mother Yuuko judges Kie to be unfit as a bride, but the family matriarch Ann makes her retract the statement.
Ann decides to teach Kie how to be a proper lady, and Kie's life becomes intertwined with the Koudai family.