Erika Ikuta has announced her new single, "Nyantoka Nyaruru," which will be released on October 14.

The title track serves as the theme song for the upcoming picture book Fumikiri Neko, written by Kenta Otsuka and illustrated by Kondo Aki. The song marks Ikuta's first collaboration with a picture book, with lyrics inspired by the story that also speaks to adults. 

Ahead of the CD release, "Nyantoka Nyaruru" will be available in digital format beginning August 26.

Meanwhile, the picture book Fumikiri Nekowill be released one day after the single, October 15.