Sagoromo, who is the only son of Emperor Saga's younger brother Chancellor (kanpaku) Horikawa, is secretly deeply in love with his younger female cousin, Genji no Miya, with whom he was raised like a brother.
帝（嵯峨帝）の弟・堀川関白の一人息子である狭衣は、兄妹同様に育てられた従妹源氏の宮に密かに恋焦がれている。