Kanjani8 to release the 45th single! The title song is featured as the main theme song for the TV drama series "Shitteru Wife" starring Tadayoshi Okura.

This edition includes a bonus DVD with a music video for the title song and its alternate version as well as making-of. Comes with "Seishun Hard Puncher."

Features jacket with a special feature (Aurora Reflection), which glows in aurora colors when photographed with a smartphone or other device with a flash function, and the way it glows changes depending on the angle and lighting (system requirements unknown).

Also comes with a mask which has the same feature.

This single is compatible with "Kanjani8 App" (system requirements unknown). You can enjoy the same contents of the single on your smartphone or tablet. *App expiration date: February 10, 2022.

The cover artworks corresponding to all the editions are different from each other.