Crazy:B "Yubisaki no Ariadne" ES Idol Song Season 2

Crazy:B "Yubisaki no Ariadne" ES Idol Song Season 2 is a single released by Crazy:B. It includes two new unit songs. The tile track is featured in the Assault! The Labyrinth Bound by Ariadne's Thread event.

Track Listing
- Lyrics: Saori Codama (こだま さおり) - Composition: Koji Miyashita (宮下 浩司) - Arrangement: Akimitsu Honma (本間 昭光) - Lyrics: Youhei Matsui (松井 洋平) - Composition/Arrangement: Ryuhei Yamada (山田 竜平)
 * 1) Yubisaki no Ariadne (指先のアリアドネ) [[File:指先のアリアドネ Sample.ogg]]
 * 1) Noisy:Beep [[File:Noisy Beep Sample.ogg]]
 * 1) Yubisaki no Ariadne (Instrumental)
 * 2) Noisy:Beep (Instrumental)