If you grew up watching Sakura Kinomoto capture cards every Saturday morning, here is something worth bookmarking. Developer KaraQ is launching Cardcaptor Sakura: Omoide no Kagi (translating roughly to The Key of Memories) on iOS and Android in Japan on June 25, 2026. Pre-registration is already live, and the numbers suggest the fanbase has not forgotten about this franchise at all.
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What Omoide no Kagi actually is
This is not a card battle game or a story-driven RPG. Omoide no Kagi is a decorative diorama experience where the core loop revolves around collecting miniature figures of Sakura Kinomoto dressed in more than 100 different outfits, then placing those figures inside fully customizable room dioramas. Think less action, more display cabinet.
The roster goes beyond Sakura herself. App store listings confirm appearances from series staples including Kero-chan, Tomoyo Daidouji, Syaoran Li, and Toya Kinomoto. The framing here is clearly built for fans who want to recreate their favorite moments from the anime in miniature form, not players looking for deep combat systems.
Pre-registration numbers that tell a story
As of June 18, the game had cleared 90,000 pre-registrations. That is already past the first milestone at 50,000, which unlocked 3 S-Outing Tickets and 5 million friendship coins for everyone who signs up before launch. The second milestone sits at 100,000 and rewards 20 Boxes of Sakura Miniature Shards ranging from N to SR grades, plus 150 star coins.
Clearing 90,000 registrations before the game even has a release date splash is a strong signal. The Cardcaptor Sakura IP has shown consistent staying power in Japan across merchandise, manga reprints, and the Clear Card arc, so the appetite for a dedicated mobile experience was clearly there.
June 25 and what comes after
The Japan-only launch on June 25 positions Omoide no Kagi as a soft regional test before any potential wider rollout. KaraQ has not announced global availability, so international fans are in a wait-and-see position for now. The diorama genre has found solid audiences in Japan through titles built around popular anime properties, and Cardcaptor Sakura fits that template well.
For context on how mobile anime games have been tracking lately, the Pokémon Champions mobile release this month showed that even established franchises need careful timing and regional rollout planning to land well. KaraQ starting in Japan first is a measured approach.
The key here is whether the diorama format has enough long-term hooks to keep players returning. Outfit collection with over 100 variants and a tiered shard system (N through SR grades) suggests a gacha-adjacent progression model, which tends to sustain engagement if the core collecting experience feels rewarding.
For players tracking the broader wave of anime mobile launches this summer, our gaming guides hub has coverage of the major titles landing across platforms right now. And if you want a direct comparison to another major franchise mobile launch with confirmed times and regional rollout details, the Pokémon Champions release date guide breaks down exactly how that process played out.
