The class field trip to the space museum is approaching, but Akane is worried about Taiyou's sudden standoffish behavior. Will Akane be able to enjoy her first school trip with Taiyou? And what secrets lie within Akane's lunch box?

Akane and Sumire seem to have gotten closer, and Taiyou can't help but feel a little jealous. Akane, Taiyou, and Hino go on a trip to the zoo. And Christmas is just around the corner, which means festivities and romantic dates!