|This article is about a character in Umineko no Naku Koro ni.|
Nanjo's son. Inherited the Nanjo Clinic. Unlike Nanjo, he seems to be a more sobered, indifferent person.
After the rampage surrounding Rokkenjima, he grew to completely despise the press, and he never spoke again of what happened around that time.
He once had a daughter afflicted with an incurable disease, but unfortunately, she wasn't able to live out her natural lifespan.
Masayuki has gray hair and wears a white coat over a white shirt and green tie.
Masayuki is very jaded when it comes to matters surrounding the Rokkenjima Mass Murders, as he has been faced with many people trying to interview him about it. He especially hates that the press has disregarded his father's previous achievements.
Masayuki's father Terumasa was a victim of the Rokkenjima Mass Murders in 1986. After the event, Masayuki was hounded by reporters and Witch Hunters who wanted to know more about the incident because of his relation to a victim.
A few days later, Masayuki received a strange letter in the mail containing a PIN number, a bank card, and a set of keys to a safe-deposit box; this letter was arranged such that it listed Terumasa as the sender and went to an address that didn't exist, causing the postal service to return the letter to its sender address. Masayuki investigated these items and came upon a certain bank, using the card, keys and PIN to reveal a case containing a massive amount of money. Masayuki rejected this money, finding it to be very suspicious, though he still kept the letter and items because he wasn't sure what would happen if he threw them away.
- Terumasa Nanjo (father)
Role in the Story
In 1998, Ange goes to interview relatives of people who died in the Rokkenjima Mass Murders, with her first stop being Masayuki. Masayuki shows his disdain for the public reaction to the incident and explains the circumstances with the letter. Ange compares the handwriting in the letter to that in Maria's grimoire and starts to piece something together.