Want to commit double suicide with me? Kaori s words echo in Kosei s mind. What can he do for her now, while she is still hospitalized? At the Aiza home, Nagi sees her brother Takeshi fall deeper and deeper into a slump and wonders how to cheer him up. Amid their worries, the teacher and student form a surprise duo for Kurumigaoka Middle School s festival. What will happen with two pianists on one piano?!