In July 2016, the tabloid magazine
Flash published a photo of Kamiya holding a child, alleging that he had been married to manga artist
Hikaru Nakamura for an undetermined amount of time. On July 17, 2016, during the 484th episode of
Dear Girl: Stories, Kamiya confirmed himself in the photo but did not directly address the marriage allegations, stating that he wanted to keep his personal life private. On January 1, 2025, actress and model
Rina Aizawa announced on her
X account that she and Kamiya had registered their marriage. ==Discography==