tripleS is making its Japan debut with a new single, and eight members were selected for the unit "tripleS Hacchi": S3 Ji Woo, S4 Chae-yeon, S5 Yoo-yeon, S6 Soo-Min, S11 Kotone, S16 Mayu, S20 Sion, and S21 Chae-won.

The limited edition Type B release includes:

• A Blu-ray featuring the music video for "Untitled" and behind-the-scenes footage
• A Double Class Objekt Type-A, randomly selected from eight variations
• A flyer with an application code (valid only in Japan)

This edition provides a deeper look into the making of their debut and is a must-have for fans!