Associate Professor Akira Takatsuki’s Conjecture, Vol. 6 (Light Novel)

A FAMILY AFFAIR.Takatsuki’s estranged cousin Yuuto reaches out for the first time in decades. Apparently, a growth has appeared on his fiancée’s shoulder--and it’s taking the shape of a face! The moment he and Naoya meet her, she addresses Takatsuki as ＂Tengu-sama＂ ... Then, on their web page, they receive a request from someone who lives at a traditional Japanese inn. The client is a nineteen-year-old girl who claims that when she was a child, her mother was sucked into a mirror... Will the supernatural wonders never cease?