Makoto 'Smile' Tsukimoto and his friend Yutaka 'Peco' Hoshino have been playing table tennis together since they were kids, but as they enter high school, they find that the game, and how they see it, has changed. Peco, brimming with confidence and energy, wants to be the best in the world, but the reserved Smile has little fighting spirit and doesn't want to sacrifice others' happiness just to win, despite his innate talent. As the two grow, and experience the ups and downs of the sport – and life – they try to figure out exactly who they really are and what drives them to play.
In 2012, after the events of Digimon Adventure: Last Evolution Kizuna, the early adulthood DigiDestined—Daisuke, Miyako, Iori, Takeru Takashi, Hikari, and Ken—must reconcile their new responsibilities with their Digimon partners. But Rui Owada, a mysterious young man, appears, claiming to be the first human to partner with a Digimon–Ukkomon. Could Rui really have been the first-ever DigiDestined?
Tai is now a university student, living alone, working hard at school, and working every day, but with his future still undecided. Meanwhile, Matt and others continue to work on Digimon incidents and activities that help people with their partner Digimon. When an unprecedented phenomenon occurs, the DigiDestined discover that when they grow up, their relationship with their partner Digimon will come closer to an end.
