Yuuki Machida

Yuuki Machida is an old acquaintance of Machiko that gets brought up in the discussion in Death: Seven Darts.

History
A friend of Machiko in high school who changed how people address her because she believed her name to be too masculine. She was invited to their wedding. Machiko's friends discus her, causing Takashi's rage. Earlier, she married a doctor, but yearned to be with an old flame. So, she cheated.

Her apperence and personailty are unknown.