"That's right." Jiang Xia nodded. "And it was the very same red wine you brought."
The manager looked startled and hurried over to sniff it. "That's right, it really is that smell!"
Mrs. Kana's expression changed drastically.
Jiang Xia looked at her. "This drop of red wine must have fallen into the piano lid by accident while Mrs. Kana was arranging the scene.
"Earlier in the banquet hall, that bottle of red wine had already been shared and drunk by everyone. The only glass left was the one in your hand.
"At the time, the manager accidentally bumped into you, causing your red wine to spill on you. Although you immediately wiped it off with a towel, the rose brooch on your left breast had an overly intricate design, and some of the wine quietly remained inside its petals.
"When you came here and opened the piano lid, the shift in your posture caused the remaining wine in the brooch to flow out and drip onto the piano.
"This was homemade red wine brought by the manager. There might be only one bottle like it in all of Tokyo. A test of its composition will confirm its source."
Mrs. Kana grabbed her brooch and lowered her head to look at it. Her already terrible complexion turned even paler.
Jiang Xia continued, "When you staged the first attack, you deliberately knocked open your Suitcase, exposing that photo from ten years ago. Then, using a headache as an excuse, you had your husband go to the room to fetch medicine for you.
"You intended to use this method to make President Kana discover the photo in the Suitcase, learn that you and Mr. Geralt had once been involved, and provoke a conflict between the two men.
"That way, after Mr. Geralt died,