[RED VELVET] Seulgi : Accidentally On Purpose : Photobook

- Cover: 2 types

- Photobook: 1 type (same image for each version)

- CD-R: 1 type (same image for each version)

- Postcard: Randomly insert 1 out of 5 types (same image for each version)

- Grounding poster: Randomly insert 1 out of 3 types (same image for each version)

- Portrait card: 1 type inserted (same image for each version)

- Photocard: Randomly selected from 3 types (same image for each version)