Kerokerokeroppi Series

The Kerokerokeroppi Series is a furniture series and collection of clothing that made its first appearance in as part of the Sanrio collaboration, though the furniture involved debuted in. It is inspired by the character, a green frog. The series has many Japanese-related items, similar to the Zen Set and the Zen Garden Set, but with added frog-related accents.

In and, Toby owns eleven items from the Kerokerokeroppi Series.

In, the Kerokerokeroppi Series is not classified as a furniture series in-game, but is obtainable from Toby's RV in the campground, which will only appear if the player scans in his amiibo card by talking to Wisp.

In, the series reappeared as the Kerokerokeroppi Set, part of a large Sanrio crossover event in 2019. Eight items could be obtained for a limited time by purchasing the Kerokerokeroppi Cookie from Timmy and Tommy from August 9, 2019 to September 2, 2019. The wallpaper, flooring, and backpack were available to be crafted for a limited time with Leaf Tickets in the Little Twin Stars and Kerokerokeroppi Collection during the same dates. The and  are obtained by reaching friendship levels 7 and 20, respectively, with Toby.

While the Kerokerokeroppi Series and Toby himself were initially absent in, they returned in the 1.9.0 Free Update, in which scanning Toby's amiibo card will allow the player to purchase Kerokerokeroppi Series furniture and clothing at Nook Shopping. Scanning Toby's amiibo card at Photopia would also grant the player the ability to order the.

Although the, , , , and are also unlocked from scanning Toby's amiibo card and share the "Kerokerokeroppi" name, they are not considered part of the Kerokerokeroppi Series.