: When Kousei and Watari arrive at the hospital, they witness Kaori suffering a severe seizure. The sight of her limp hand and the chaotic medical response sends Kousei into a state of shock.
: Frustrated by Kousei’s refusal to admit his feelings for Kaori, Tsubaki finally confronts him. In an emotional outburst during the rain, she confesses her own love for him, telling him he has "no choice but to love her" before running away in tears.
: On his way home, Kousei finds a black cat that has been hit by a car. He rushes it to a veterinarian, but the cat dies in his arms. This tragic event serves as a dark parallel to Kaori's deteriorating condition, leaving Kousei completely broken as he attempts to wash the blood from his hands. Context and Impact
[Rewatch][Spoilers] Shigatsu wa Kimi no Uso -- Episode 20 Discussion