From what I understand, Misato, the girl, is only his home tutor in the first chapter and apparently meets his brother for the first time on page 5. After having sex, she leaves him, he becomes a total sloth, good stuff.. Fourteen months later, she comes back - as his brother's fiancé.
Extreme faces as reactions to things. One of the most fun things that can be done with sketching/painting in comedy, at least if its not overdone. This looks like it will get a translation pretty quickly, the art is of high quality. Looking forward to it.