The A-side "Brand-new World" is a straightforward pop-jazz tune, while the B-side "Piacere" offers a gentle bossa nova rhythm. This single serves as Nishizawa's debut.
- The single was released on November 11, 2015, by FlyingDog.
- The A-side "Brand-new World" was used as the theme song for the anime series *Tegami Bachi Reverse*.
- This release showcases Nishizawa's early work in the J-Pop and anime music scene.
Shiena Nishizawa is a Japanese singer and songwriter from Saitama, known for her contributions to anime soundtracks. She debuted in 2015 with her first single.
Tracklist
