Demon Slayer: Koyuki Tsumamare Rubber Keychain - Infinity Castle Arc Fishing Rod We love the side pocket

We love the side pocket too—perfect for a small plushie to peek out of

This series is designed to look like a premium magazine aesthetic

you know that Marciana isn't just a teacher—she's the glue holding everything together

high-contrast red design that screams 'rock spirit

The base is a total standout too

Demon Slayer: Koyuki Tsumamare Rubber Keychain - Infinity Castle Arc Fishing Rod We love the side pocketIf you're still not over the heartbreaking backstory of Hakuji and Koyuki from the Infinity Castle arc, you're not alone. This adorable keychain captures Koyuki in COSPA's signature 'Tsumamare' style, looking like she's being gently picked up by her collar. Its a sweet, soft reminder of of the most emotional relationships in the series. Visual Highlights The detail on this rubber strap is preciousthey've perfectly captured Koyuki's iconic flower