Marina-hen spinoff manga also announced

The January issue of Shueisha's Cookie magazine is announcing on Thursday that a "screen adaptation" of Yue Takasuka's shōjo manga Good Morning Call has been green-lit. The announcement did not specify the medium (anime or live-action) or format (television, film, home video, or online) of the adaptation.

The magazine is also announcing that Takasuka will launch the Good Morning Kiss Marina-hen spinoff manga arc. The first chapter will have 40 pages, and will have a color opening page. The manga will also be featured in the issue's front cover. The magazine teases the story:

Nao is surprised at Marina's sudden confession. How is Uehara connected to this?

In addition, the next issue of the magazine will bundle a reprint of the entire first compiled book volume of Good Morning Call .

The manga centers around Nao, a third-year middle school student who, due to her parents' obligations, ends up living by herself in an apartment for her final semester of middle school. However, on her moving day, a boy is also moving into the same place. The boy turns out be Uehara, who goes to the same middle school. The two end up living together.