Sgt. Frog Manga Goes Free Across Ebook Stores Ahead of New Anime
Kadokawa is running an all-volumes-free fair for Mine Yoshizaki's manga Sgt. Frog on October 1 and 2, 2026, ending at 23:59 each day. Volumes 1 through 35 are readable at no cost on BOOK☆WALKER, BookLive, honto, Rakuten Kobo, au Book Pass, Reader Store, DMM Books, Comic Cmoa, LINE Manga, ebookjapan, Piccoma, and U-NEXT. The promotion is timed to the new Sgt. Frog anime, which begins airing Saturday, October 3, 2026. The manga has run in Monthly Shonen Ace since 1999 and is still ongoing. It follows an alien frog from Planet Keron who arrives to invade Earth, is captured by the Hinata siblings Fuyuki and Natsumi, and ends up living with the family as a lodger. A theatrical anime screened in June 2026. The fair notes that store end times, prices, and eligible products may differ by retailer.