4-nin ni 1-ri wa Happy Dekichatta Kon

Apparently, one in four couples getting married in Japan now have a "shotgun wedding"! A baby arrives unexpectedly, bringing joy but also a lot of anxiety. But there's also an extraordinary joy and emotion unique to "shotgun weddings"! This omnibus collection compiles the tear-jerking stories of these girls. It also includes a hilarious real-life birth story from a manga artist!

(Source: Kodansha, translated)