Voice actor Sumire Uesaka, known for roles including Alya in Alya Sometimes Hides Her Feelings in Russian, Lum in Urusei Yatsura, and Agnes Tachyon in Umamusume: Pretty Derby, has built a large following through her many popular performances.
On September 14, Uesaka’s official website announced that her agency, Voice Kit, had received multiple highly malicious threatening emails containing threats to harm her.

The agency initially reported receiving multiple threatening emails containing warnings that Uesaka would be harmed. In a follow-up statement, it revealed that concrete and malicious death threats had been confirmed, including one stating that a group would “kidnap and kill her by September 27.” The sender also claimed to know her current home address and threatened to abduct her near her residence.
Voice Kit said it was taking the matter extremely seriously and prioritizing the safety of its artist. The agency promptly consulted the police station with jurisdiction, reported the incident, and requested an investigation.
The agency also stated that it would continue working with the police and other relevant parties to respond firmly—including through legal action—to threats, warnings of violence, defamation, and other unlawful conduct directed at its artists. It asked fans for their understanding and encouraged them to continue offering Uesaka their support.

Given the specific and dangerous nature of the threats, the agency said it was placing the safety of Uesaka and everyone involved above all else. It is currently consulting with event organizers and other relevant parties to carefully determine whether she should appear at events and performances scheduled through September 27.
Japan has seen other reported cases in recent years involving threats against voice actors and idols. Agencies may respond by postponing appearances or changing activity schedules in order to protect their artists.
Such behavior is entirely unacceptable. Many fans have expressed concern for Uesaka’s safety and hope that the person responsible for the threatening emails will be identified as soon as possible.