(SC38) [Light Pink (Various)] Chikyuujin Maruhi Seitai Chousa Houkokusho 4 (Keroro Gunsou [Sgt. Frog]) (サンクリ38) [ライトピンク (よろず)] 地球人マル秘生態調査報告書 4 (ケロロ軍曹)

[Light Pink] Chikyuujin Maruhi Seitai Chousa Houkokusho 6 (Keroro Gunsou)

(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)

[Light Pink (Various)] Chikyuujin Maruhi Seitai Chousa Houkokusho 3(Keroro Gunsou)

[Light Pink] Chikyuujin Maruhi Seitai Chousahoukokusho 5 (Keroro Gunsou)

Pekopon Maruhi Seitai Chousa Houkokusho 4

(C71) [MOON RULER (Tsukino Jougi)] Kerorotic na Akifuyumono (Keroro Gunsou [Sgt. Frog])

(SC38) [HANA TO RIBON (Puripuri Uemon)] Seinen Hana To Ribon 27 723 (Sgt. Frog)

Pekopon Maruhi Seitai Chousa Houkokusho 6

(C62) [KNOCKOUT (Various)] Oshiri de Kyu! 7 (Various)

(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)