Demon Slayer: Koyuki Tsumamare Rubber Keychain - Infinity Castle Arc Fishing Rod you know that Marciana isn't

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

collectible feel

this is a must-have piece to commemorate his 2025 birthday event

It's almost too nice to actually use as a towel

you know this duo is the heart of the story

Demon Slayer: Koyuki Tsumamare Rubber Keychain - Infinity Castle Arc Fishing Rod you know that Marciana isn'tIf 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