by Asako Yuzuki
Shincho sha Co Ltd　JPY1,045（incl. tax）
ISBN：978-4-10-120243-3
When the English translation was released in 2024, it attracted a huge amount of attention around the world, particularly in the UK, where it was a huge hit and sold over 280,000 copies, surpassing the number sold in Japan. It was the first Japanese book to win the “Waterstones Book of the Year 2024” award, and now, more than five years after the book was released, it has become a bestseller with over 700,000 copies sold worldwide.