One-Punch Man Volumes 1-27 Hero Encyclopedia ☆ Immediate purchase is welcome. ☆ No price reduction or individual sales. ☆ Volume 20 includes a bumpy sticker. The Hero Encyclopedia has a sticker on the first page. ☆ Recycled materials will be used for packaging, such as cardboard boxes. ☆ No pets, no smokers. ☆ I work during the day, so I may not be able to respond to comments immediately.