Kazuya no Sofu

As the beloved grandfather of Kazuya, this elderly figure played a pivotal role in shaping his grandson's emotional journey. Though his presence is felt most through his enduring legacy, his impact is defined by the profound final words he shared with Kazuya just before passing away. This poignant moment serves as a cornerstone of the character's backstory, leaving a lasting imprint on his grandson's development and motivations throughout the series.