Kaori unexpectedly appears before Kousei outside the hospital and "appoints" him as a substitute for Watari. They spend the day shopping and visiting their school, a sequence that parallels their early interactions in Episode 3.
Her "manic pixie" facade begins to crack as her terminal illness becomes harder to hide. Student/Antagonist Shigatsu wa kimi no uso Episodio 16
[Spoilers] Shigatsu wa Kimi no Uso - Episode 16 [Discussion] Student/Antagonist [Spoilers] Shigatsu wa Kimi no Uso -
Kousei begins teaching Nagi Aiza, the apprentice of his mentor Hiroko Seto. Initially intimidated, he quickly adapts to the role, demonstrating a strict teaching style reminiscent of his mother’s training, though without the physical abuse. Patient/Protagonist It is revealed that Nagi is the
Gains a new perspective through teaching Nagi; starts to notice the parallels between Kaori and his mother. Patient/Protagonist
It is revealed that Nagi is the younger sister of Takeshi Aiza, Kousei's longtime rival. Her motivation for taking lessons is to "destroy" Kousei, as she sees him as the cause of her brother's obsession.
The episode highlights Kaori's worsening condition. She is seen losing motor skills, such as being unable to hold a bottle or her violin bow, and she collapses in a hallway, hitting her head.