Prosecutors have not yet found the suspect—theories range from a disgruntled anti-paparazzi neighbor to a rival talent agency. However, the Tokyo Metropolitan Government is now fast-tracking the "Murakami-Mochi Law," which classifies tampering with a pet on an entertainment set as aggravated assault.

Mochi’s management confirmed via a press release that the "poison found" was a solidified piece of rat bait disguised as a dog jerky. Toxicology reports showed the dog had not ingested a lethal amount, but trace toxins were found in his saliva.

In her recent feature updates, she has outlined a three-step protocol that is now mandatory for her household: