Oricon Bookstore announced on August 22 the sequel to Yuki Kikuchi’s 100-nichi go ni Shinu Wani (Wani Dies in 100 Days) manga titled 100-Nichi Go ni Shinu (X) Nezumi (Nezumi Dies (X) in 100 Days).
The series launched on August 21 on Kikuchi’s X (formerly Twitter) account.
The manga quickly went viral on Japanese Twitter, with each new chapter receiving thousands of likes.
The manga inspired an anime film adaptation that opened in July 2021.