: Despite his chronic illness, Nikaidou continues to view shogi as a grand adventure, contrasting with Rei's historical view of the game as a mere "life support system".
: We see the tragic disconnect between Rei’s adoptive father and his biological children. The father’s obsession with shogi talent blinded him to his children’s emotional needs, creating the resentment that Rei internalizes as his own fault. 3-gatsu no Lion 2nd Season Episode 21
: The brief interaction with his adoptive mother and the family dog provides a sense of closure, shifting the focus from the explosive tension with Kyouko to a more somber realization of shared family tragedy. Contrast and "Comfort Food" Visuals : Despite his chronic illness, Nikaidou continues to