In a world where laughter is the currency of joy, Eriko's laughter is legendary. But what lies behind the laughter? This story delves into the secrets of Eriko's past, revealing a friendship that transcends time and laughter's power to heal....

In a world where minds intertwine through a mysterious ballgame, a young reader named Eriko discovers the dark secrets hidden within the pages of her favorite book, The Ballgame of the Mind. As she delves deeper into the game, she must confront her own in...