We gotta get to the part where nishikata 1) realizes takagi likes him so he goes for the attack or, 2)figures his own feelings and goes for it. Then to the point they started going out, got married, got wifey preggy up to the beginning of the other manga with their daughter.
Well, if it is a she says, she already knows he also has feelings for her, while trying to hide it.
She's gonna get a confession out of him one day, like on the Acchi Muite Hoi chapter.