SOUVENIR

 is the 18th digital single as well as the 28th single released by BUMP OF CHICKEN, featured as the second part opening theme for the first season of the animation SPY x FAMILY. It for digital and, for CD and Blu-ray.

CD

 * 1) SOUVENIR
 * 2) Chronostasis (クロノスタシス)
 * 3) Mado no Naka kara (窓の中から; Through the Window)

Blu-ray

 * BUMP OF CHICKEN LIVE 2022 Silver Jubilee at Makuhari Messe Other Selection
 * Uchuuhikoushi e no Tegami (宇宙飛行士への手紙)
 * arrows
 * Small world
 * Joushaken (乗車権)
 * Only Lonely Glory (オンリー ロンリー グローリー)
 * Theme of BUMP OF CHICKEN