A lion plush with a rainbow-colored mane long enough to cover its entire body. Its face features large eyes, a smiling mouth, and three protruding lower teeth. Even in its mutated form, there is little difference from the original except for its claws; however, when attacking a target, its head splits sideways to reveal a mouth packed with teeth all the way down to its throat. Because of this, while its outward appearance is on the cuter side, its mutated form is the most grotesque among all the toys to date. As mentioned above, in addition to being the most bizarre BBI experiment so far, it has been revealed that it will appear even more unpleasant and creepy in this work. It is a very different category from previous BBI subjects; it feels a particular affinity for its supervisor, Dr. Harley Sawyer, which is said to resemble the relationship between a dog and its master. It is presumed to be the villain of Chapter 4. Looking at the evaluations the original person received at the Game Station, it seems to possess a cruel personality comparable to the Prototype, but its intellect is virtually non-existent. It first appears when Harley Sawyer introduces it to the protagonist. It lunges from behind a glass window, looking ready to devour the protagonist at any moment. Later, it pops out of a vent to find the player and engages in a game of hide-and-seek, but loses track of the protagonist while DogDay draws its aggro. Afterward, it encounters the protagonist again while they are moving around for Poppy's plan, leading to another game of hide-and-seek. This isn't just hide-and-seek; the difficulty is doubled because the player must solve puzzles, such as powering doors and scanning the GrabPack, while avoiding Yarnaby. On the day of release, bugs were severe—Yarnaby's detection range was nonsensical, it could catch the player through walls even when they were hidden, and it would sometimes suddenly evaporate—but these were improved with a patch. After the protagonist solves all the puzzles and opens the door, Yarnaby pursues them from behind, only to get caught in chains and hang dangling. Its body catches fire from the intense heat rising from below, and it falls to its death.
...Whine, whine, whine... Yarnaby whines, but its mane catches fire. The sound of Yarnaby's whining grows faster.
...Whine, whine, whine... Yarnaby whines, but its mane catches fire. The sound of Yarnaby's whining grows faster.
Staring ..?
It whines and looks like it's about to cry(?), but the fire grows stronger. ..Whine.. whine.. I'm sorry, everyone.
Just a person staring
Freed from the chains, it fumbles against the wall, but the user only watches. Yarnaby's mane is completely burnt by the fire. Wh.. wh.. ine..
Release Date 2026.08.18 / Last Updated 2026.08.18