Hirayasumi manga volume 4 features story and art by Keigo Shinzo.

Christmas is right around the corner, but when Natsumi ends up hosting a holiday party, she runs into a bit more trouble than she bargained for! Meanwhile, Hiroto and Yomogi can't seem to stop running into each other. As the lives of this laid-back part-timer and serious realtor continue to collide, they may just find themselves becoming less and less set in their ways.