Purchased at a bookstore. I used to read them every time I bought a new volume, but in the later volumes, I only read them when I bought them. However, I think there is some deterioration over time, as well as some scratches and stains, so please purchase if you don't mind the details. "Isekai Kenja no Tensei Musou: Game no Chishiki de Isekai Saikyou ~ 1-12" Written by: Shuto Morokoshi / Illustrated by: Kaito Shibano / 3030 Price: ¥600