Sora is Daichi's older brother who is very popular with girls in school. Daichi claims that Sora is a traitor ever since he approved their father's remarriage. After Daichi, Sora, and Najika visited the Lavendar House in Hokkaido, Sora tells Najika that it was him who gave her the flan 6 years ago. Najika starts to like Sora because of this. As Sora tries to get close to Najika, Daichi, who now has a crush on her, starts to get jealous. Daichi also thinks that Sora is up to something and will hurt Najika someday.
