Maye Sora, a 19-year-old university student living in Tokyo, receives news of her grandfather's death. Busy with moving with the help of her friends, she puts off confirming the news.
Fukutaro, the former president of a board game company, continues to show up at work even after handing over his position to his son-in-law. Fukutaro grabs anyone he can to repeatedly brag about the same past exploits, which irritates those around him. Triggered by an event, his daughter finally unleashes her unspoken true feelings about his toxic old-age behavior. Although Fukutaro seems sad and apologetic, he secretly plots a counterattack with his five elderly fellows.
On May 2, 1998, Hide, a leading Japanese rock musician who had been active as a guitarist for X JAPAN and as a solo artist (hide with Spread Beaver/zilch), suddenly passed away. His funeral was attended by about 50,000 people and became a social phenomenon as all of Japan wept at his untimely farewell. His younger brother, Hiroshi Matsumoto, who was Hide's manager, started to work with Hide's co-producer I.N.A., who had been working on a song with Hide, and his friends to make his brother's will come true. Yuji and I.N.A. struggle under the unusual circumstance that Hide himself is not present, but they are confronted with various difficulties.