2 books in series
Keroro/Sgt. Frog
Keroro/Sgt. Frog is a 2-book series with 2 primary works first released in 1999 with contributions by Mine Yoshizaki and Carol Fox.
| #1 |  Sgt. Frog, Vol. 1 Sgt. Frog, Vol. 1
| 4.5 | 2 reads | ||
| #3 |  Sgt. Frog, Vol. 3 Sgt. Frog, Vol. 3
| 5 | 1 read |