Širogane Kei wa misecuketai / Šinomija Kaguja ni cuite 2 / Kaguja-sama wa kokuritai (S03E08)

Kaguya learns about the romantic legend that giving a heart-shaped gift at the Culture Festival brings eternal love. She wonders if there is a way she can give Shirogane a heart-shaped gift without getting caught. But her plans are full of errors, and she panics. She becomes sick of herself as a cowardly person who can only come up with negative ideas. There, Shirogane, exhausted from preparing for the Culture Festival, shows up. As Kaguya sees Shirogane doing his best for everyone as the student council president, she... (Crunchyroll)