In front of Kyoto Station, Yukihira Itsuka mistakes Irino Nagomu for her missing father. She never imagined that he was the son and heir(?) to a wagashi shop called Ryokushou—the same shop where she's been staying. When Nagomu and Itsuka begin working together at Ryokushou, they run into a little trouble.

Everyone at Ryokushou is participating in the Miyama school district's sports festival. Itsuka feels shy and awkward around Nagomu, causing her to adopt a brusque manner toward him. But in his loud cheers of encouragement she feels the warmth of family. Nagomu's father, Heigo, gets overly fired up and ends up hurting himself. Nagomu and Itsuka have to step up to take his and Nagomu's place in the parent-child event. Meanwhile, at Ryokushou, a woman calling herself Itsuka's mother appears.

For Itsuka's birthday, Nagomu uses his "Going Somewhere Together" ticket and takes her to Hirakata Park. While out with Nagomu, Itsuka's remembers when she went to the park with her father. When they get back to Ryokushou, they find a wagashi cake and birthday party for Itsuka waiting for them. Itsuka always seems to be chasing after the shadow of her father. Concerned, Nagomu comforts her. And in reply to Nagomu's words, Itsuka...