Eriol writes a letter in his dark office then observes the intensifying winter snow through the French doors with Spinel and Nakuru. He assures them that it’s “almost time”…for something. Meanwhile, we join poor Sakura rollerblading through that snow in her jammies while being chased by a swarm of mini snowmen pelting her with snow. She’s eventually buried, but quickly emerges and fights snow with Snow.
Kero is impressed with how powerful Sakura is becoming, noting that she could one day surpass Clow Reed, but Yue disagrees, saying she isn’t close. That ends up keeping Sakura up at night, wondering if and how she’ll ever be able to live up to Clow’s legacy. Then it dawns on her: she can use the Return card to go back in time and ask him herself—and while she’s at it, ask him why she keeps feeling his presence before strange things happen.
After another pinky promise to Syaoran that she’ll safely return, Sakura uses the Tsukihime cherry tree as a conduit to the past, where she finds Kerberos, Yue, and clow. They’re just having an afternoon nap in the shade of a sakura tree, ironically enough. Sakura sees how happy Kero and Yue are and can’t help but feel a little jealous, simply because she isn’t Clow.
The seasons pass, and the tree transforms with it, which Clow uses to make a point about everyone and everything: that it all changes, and that it’s all supposed to. That means even he, the most powerful sorcerer alive, must one day shuffle off his mortal coil. That doesn’t mean Yue is happy about it, or about the prospect of having a new master, so Clow tasks Kero with the duty of finding one.
While at first seeing Clow interact with his creations and vice versa only heightened her feelings of inadequacy, the fact is she is her own worst critic, and not even Clow, whom she replaced, would see value in comparing her with himself. Clow is Clow and Sakura is Sakura. He had his time, and now it’s hers. This point is aptly illustrated by the transition from the winter when Clow passes on to a spring when all the lovely flowers—including sakura—bloom anew.
Her confidence and enthusiasm in her task thus restored, Sakura returns to the present, where Tomoyo and Syaoran had been waiting with baited breath (though they don’t mention how long they were waiting). Sakura reports that while she did meet Clow, she didn’t learn any thing about why they keep feeling his presence. That’s when Eriol jumps into the conversation and offers an explanation.
You see, he is Hiiragizawa Eriol now, but in his previous life, he was…Clow Reed. While this isn’t exactly a shocker, now that it’s out in the open means we’re finally poised for the final showdown between Sakura and Eriol. That said, despite all the shadows and dark musical stabs, Eriol may prove not to be an enemy, but simply a reincarnated Clow ensuring that Sakura becomes powerful enough to convert all of his cards and complete her succession.