Seiun Award
In 1979, he won the seventh Izumi Kyōka Prize for Literature and the Seiun Award for his novel "Shōmetsu no Kōrin", which is the representative work in his ""Shiseikan" series". In 1996, he won his second Seiun Award for another entry in the "Shiseikan" series, the long novel "Hikishio no Toki".