[Rewatch][Spoilers] Shigatsu wa Kimi no Uso -- Episode 20 Discussion
: Kousei and Kaori share a poignant conversation over the phone while looking at the same night sky, a moment that reinforces their deep connection. Kousei decides he will no longer avoid her and resolves to visit her in the hospital.
: 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.
This episode is widely regarded by fans and reviewers on Reddit and IMDb as one of the series' most devastating. It serves as the catalyst for the final act, moving the characters past their "lies" and forcing them to confront the painful reality of Kaori's mortality.