Kamisama no Orgel

Yumi is a college sophomore. She's going out with Kouta, who's in her same circle. Just when she's been taken in by Kouta's boyish manner... she gets pregnant. What will become of Yumi and Kouta, who worry that they can't have this child...?

(Source: ShoujoMagic)

Included one-shot:
Volume 3: Pocket Café (2 parts)