Ichiro learns the hard way some of the physical implications of his newfound bond with Shiori. Now that she has a permanent place to live, it's time for the two of them to do some shopping.

Shiori and the Kugas finally make it to the zoo, and it's Shiori's first time visiting one. It's also her first date with Ichiro since they officially became a couple, and there are unexpected hurdles to clear.

It's time for the Christmas party, an annual tradition at Hiiragi Apartments. Shiori continues to grow closer to Ichiro, but she also spends time with some of the other friends she's made since her arrival.

Some amazing New Year's luck sees Shiori and the Kugas take a trip to a hot spring resort. But Shiori's mother Miyako is growing impatient, and she begins taking steps to get her daughter to return to the island.

Shiori's parents track her down and confront her in person about her situation, which she and Ichiro now must find a way to explain. Can they convince them to let her stay, and is there any way to annul the Engagement Pact?