It is popularly believed that Tsunayoshi, while having intercourse with a woman sent by Yoshiyasu YANAGISAWA, promised to give Yoshiyasu the whole province of Kai (although this was voided by Tsunayoshi's death).
俗説ではあるが、柳沢吉保が送り込んだ女と綱吉が交合中に「吉保に甲斐一国を与える」と確約した（綱吉の死によって反故になる）。