When Genji stayed overnight with Gen no Naishinosuke, he was attacked by somebody and took his sword to respond to the attack, but he made a grab at the man to find that it was Tono Chujo.
源典侍のもとに泊まった夜、源氏は何者かの襲撃を受け太刀をとって応戦するが、掴み掛かってみると相手は頭中将であった。