>>280481707
It had an abrupt ending, and many things were left out, besides their relationship growing.

>Marin gets involved in a Hina doll exhibition, even modeling as a doll in the event. (This gets Grandpa into make-up; you can get a few chapters from it.)
>Goyo starts doing modern Hina dolls, with the aid of Marin in their design.
>Marin's post of her Haniel hina doll is seen by her agency, and they insist that she do a Haniel photoshoot. She agrees but only if Goyo does her make-up.