My Girlfriend's Child manga volume 4 features story and art by Mamoru Aoi.

Sachi has decided against an abortion. However, her choice is not without immediate consequences. While she deals with a flood of forms and doctor appointments, Takara is kicked out of his house and juggles multiple jobs to save money for her and their unborn child. In the midst of it all, Sachi’s dad shows up out of the blue and promises to take care of everything. But what are his true intentions…?