During an after-school shopping trip, Sakura Kinomoto decides to participate in the Tomoeda Shopping District's year-end lottery, with the grand prize being a round trip to Hong Kong. Surprisingly, she draws the winning ball. Alongside her best friend Tomoyo Daidouji, her older brother Touya, her crush Yukito Tsukishiro, and Keroberos, Sakura heads off to Hong Kong. However, vacation for the Cardcaptor will get cut short. Little does Sakura know, the trip may be connected to her recent, prophetic dreams featuring a mysterious woman and Clow Reed himself, creator of the Clow Cards.

The second half of the second season of Cardfight!! Vanguard G series.

With all of the Clow Cards recaptured and changed into her own Sakura Cards, Sakura Kinomoto now enters her first year at Tomoeda Middle School. After her initial day of classes, Sakura reunites with her love Shaoran Li, who informs her that he is permanently moving back to Tomoeda. Much to her surprise, it even turns out that Shaoran will attend the same school and it seems as if Sakura's life is heading in all the right directions. However, when Sakura goes to sleep, she encounters in her dream a mysterious cloaked figure and finds herself surrounded by transparent cards. Waking up in fear, Sakura is shocked to see her dream has come true, with the Sakura Cards having turned clear. Continued dreamlike encounters with the unknown enemy and her gaining a new magical key sets the stage for Cardcaptor Sakura's latest adventure!

Several days after the mortal battle against Link Joker which embroils the whole world, the world has returned to peace. But Kai Toshiki faces a surprising situation. Sendou Aichi, the hero who saved the world from the invasion of Link Joker, has suddenly disappeared. In addition, everyone's memory about Aichi is lost...Almost all hints have been lost, and Kai starts to search Aichi with Blaster Blade and the deck of Royal Paladin, the only existing hint and the proof of their bonds. Kai is approached by fighters who call themselves Quatre Knights. The four---Gaillard, Neve, Ratie and Sarah---are fighters with world-class power in vanguard fights. They control mysterious power and urge Kai to give up searching Aichi. What is their purpose...!? And what is their relationship with Aichi...!? Kai, with the new power Legion in his hand, fights to take Aichi back. Now, the war has begun! (Source: Cardfight!! Vanguard Wikia)