Includes: Out Box, Photo Book, Random Scratch Card (1/4), Random Photocard (2/8), Random Photo Film (1/4), 4cut Photo, Acrylic Keyring, Glow In The Dark Sticker, Accordion Postcard (6 Folded), Masking Tape, Sticker Pack (12 Each),  Lenticular Card, Random Chess Strategy Card (1/4), Random Chess Piece Magnet (1/2), Random Photo Stand (1/4), Folded Poster

Track List:
1. 法則:THE RULES
2. SERVE
3. Extancy (Wumuti&Rui)
4. BACK 2 BACK
5. HIPS (Hyun&Haru)
6. Masterpiece
7. SERVE (Instrumental)

Members: Wumuti, Rui, Hyun, and Haru

Release Date:
May 29, 2026