A visit to Hiromu's office leads to an awkward situation for shy househusband Masaki, but baby Hikari continues to be a soothing presence in their lives; at Christmastime, Hikari becomes fascinated with the star at the top of the tree.

Hikari latches onto the reluctant and gloomy neighbor boy, Yuki; Masaki falls ill and needs to isolate himself, so Hiromu and company try their best to distract Hikari from Ma-cha's absence.

Hiromu's father, Koji, shows up at the house unannounced.

The family prepares for their second child; Hikari gets excited for his new role as big brother.

Hikari tries to be a good big brother to Hinata.

Masaki gathers his courage and brings his family and friends with him to his hometown, but things get awkward when he's confronted by his cousin Kazuhiko.