Associate Professor Akira Takatsuki's Conjecture

Professor Mitani, a specialist of Japanese history, comes to Professor Takatsuki with a mysterious doll. After Mitani posts a photo of the doll on his blog, someone claiming to be the grandchild of the doll's original owner reaches out. According to them, the doll moves around on its own and has naturally growing hair. Takatsuki smells something fishy and pulls in the reluctant Naoya to begin investigating! What answers will the pair uncover...? (Source: Yen Press)

Naoya Fukamachi is a university student whose ability to infallibly detect lies has left him friendless and isolated. When a paper of his piques the interest of his folklore studies professor Akira Takatsuki, a handsome and eccentric man, he soon finds himself dragged into Akira’s research. Now, as the assistant in charge of common sense, he must help his professor interpret an array of unexplainable phenomena… (Source: Yen Press)