The dolphin from "How to Make You Disappear" appears as a capsule toy. The product name is "It is a dolphin that was erased at that time."

The dolphin from "How to Make You Disappear" appears as a capsule toy. The product name is "It is a dolphin that was erased at that time."
 Amuse will release the capsule toy "It's a dolphin that was erased at that time" in July 2024. The price is 300 yen for one time. This product is a stuffed toy with a dolphin ball chain with the image of the support character "Kyle" who displayed help in Microsoft Office....

The linked article is in Japanese.