Tsugimonogatari

Years before the main story, Meme Oshino and Deishuu Kaiki, members of a university occult research club led by their senior Izuko Gaen, are invited to take part in a forbidden ritual. Joined by high school student Yozuru Kagenui, they rush through the preparations, but the project takes an unexpected turn, and the book finally reveals how Yotsugi Ononoki came to be. (Source: Bakemonogatari Wiki)

Tsugimonogatari (Original: Tsugimonogatari) is the second novel of the Family Season and the thirtieth overall of the Monogatari Series, written by Nisio Isin and illustrated by VOFAN. It was originally released on October 16, 2025 in Japanese.