遺失物０２５（通称ニコ）は、超常的な再生能力と対遺失物特効のバフを道具に付与する能力を持つ。
なお、能力の発現と共に頭上の光輪が肥大化することが確認されている。

Lost Property 025 (aka Niko) has supernatural healing abilities as well as the ability to grant a buff to weapons, making them more effective against lost property. What's more, it's been confirmed that when he uses his abilities, the ring above his head grows larger.