Aihara Yu (Nagano Meiku) received good news from Asano Taiyo (Yamada Yuki).The sun passed the review of the Sakura Festival Fireworks Display.The first battalion is Yang Ping (Kenichi Endo), the father of the sun, and the sun is placed in the second battalion.Yu was overjoyed and asked him what kind of fireworks he was planning to set off.The sun replied: "That was the most important ten seconds in my life."“

On the day of the Cherry Blossom Festival.Yu asked Wang Tiansi (Bai Zhouxun) to drive the car to the hospital where his mother Xia Mei (Zhen Feisheng) was staying.Kasumi is surprised to see Yu using a cane.Yu tells Xia Mei that she has lost her sense of touch and will soon lose her vision.Xia Mei cried and complained that she couldn't do anything. Yu begged Xia Mei and said: "I want to see my mother's smile."”

At the fireworks display venue, the sun is preparing.Chiaki (Matsumoto Wakana) watched all this from a distance, borrowing the words of Kusaka (Saito Takumi) who said in the art museum that his life may exist just for today's moment. If he could witness it with his own eyes,If the fireworks are made by Taiyang, Chiaki will tell Kusaka that she has no regrets.

Yu and Kasumi parted ways, and headed towards the fireworks display venue with Tsukasa.But at the venue, the thick clouds gradually spread and strong winds began to blow...