The single features three tracks, including a Japanese original song as well as Japanese versions of ‘CRAZY’ and ‘EASY’. Contents include 36-page photo book, 8-page lyric book, selfie photo card (1 of 5 types / random) and portrait sticker (1 of 5 types / random).

Disc 1
1. CRAZY – Japenese Ver. – – LE SSERAFIM
2. EASY – Japanese Ver. – – LE SSERAFIM
3. Star Signs – LE SSERAFIM