(SC31) [Gambler Club (Kousaka Jun)] Natsu Yuki - Summer Snow (Keroro Gunsou) [English] [SaHa]

(C72) [Gambler Club (Kousaka Jun)] Natsu Aka - Summer Red (Keroro Gunsou) [English] [Trinity Translations] [Decensored]

(COMIC1☆3) [Gambler Club (Kousaka Jun)] Natsu Aki - Summer Autumn (Keroro Gunsou) [Korean]

(C67) [YUDENAKYA NAMA-BEER (Uzura no Tamago)] Ane-chan no Bloomer (Keroro Gunsou)

(COMIC1☆5) [Gambler Club (Kousaka Jun)] Aki Autumn (Keroro Gunsou)

(CSP4) [Gambler Club (Kousaka Jun)] Aki Momo - Autumn Peach (Keroro Gunsou)