producers on the record, alongside Amuro, while additional collaborator Michico helped co-write many songs and produce Amuro's vocals on the album. The
album and two new tracks "Higher" and "Arigatou". The EP was produced by Michico, T. Kura, Miriam Nervo, Olivia Nervo, T-SK, Tesung Kim, and Nao'ymt, and
parent album. "So Crazy" was written by Full Force, Jennifer "JJ" Johnson, Michico, and Tiger, and produced by Cobra Endo. "So Crazy" is a love song that