Toki Ha Modashite Kataranai Komonjo Kaidoku Shi Tsunade Tadashi (Media Works Bunko E 2-3) [Light Novel]

[Machine Translation] Tsunade, a graduate student in the history department, is obsessed with ancient documents and is called a "decipher" by those around him. Tsunade is assigned to return an ancient manuscript found in his laboratory, and visits a small island in the Seto Inland Sea. Tsunade is pushed around by his companion, Soma, a troublemaker, but after completing the return, Tsunade encounters a series of murders... The murders are modeled on the "legend of Haku-Myohime," a girl believed to be the reincarnation of Haku-Myohime, and a mysterious journal with missing contents. Tsunade deciphers old documents and sheds light on the truth hidden in the shadows of history.

古文書に傾倒し、周囲から“解読師”と呼ばれる歴史学専修の院生・綱手。研究室で見つかった古文書の返却を任じられた綱手は、瀬戸内海の小さな島を訪れる。同行者のトラブルメーカー・相馬に振り回されつつ返却を済ませた綱手だが、連続殺人事件に遭遇してしまい...。島に伝わる『白妙姫伝説』を模した殺人、白妙姫の生まれ変わりと信奉される少女、内容が欠けた謎の手記―。綱手は古文書を読み解き、歴史の陰に隠された真実に光を当てる。