19-year-old Japanese idol Shuna Amamiya allegedly raped and secretly filmed by her producer's boyfriend; reportedly pregnant

A disturbing controversy has shaken Japan's idol industry, as 19-year-old rookie idol Shuna Amamiya of the group Pretty Chuu has accused Taichi Saito - the longtime boyfriend and business partner of the group's producer, Yurinya - of serious misconduct. According to Japanese media reports on August 1, Shuna was secretly photographed while sleeping at Yurinya's house and was later sexually assaulted. The situation allegedly resulted in a pregnancy. Although Saito initially apologized, he reportedly assaulted her again.


Following the incident, Shuna stepped away from group activities, with the agency citing health concerns. However, it has since come to light that she was allegedly threatened by Saito, who warned her to stay silent or risk having Pretty Chuu destroyed. He also reportedly attempted to buy her silence.


Feeling trapped and unsure of what to do, Shuna reached out to a YouTuber for help and eventually reported the incident to the police. A recorded conversation between her and Taichi Saito later leaked online, sparking massive public outrage and drawing widespread backlash from fans and the general public.


Yurinya confirmed the reports and publicly expressed her support for Shuna. She urged people to give the young idol space and time to recover, emphasizing that Shuna should not feel pressured to be active online while dealing with the aftermath.

Yurinya took to Instagram and made it clear that she has cut all personal and business ties with Saito. "Recently, information has been circulated on social media that my partner in both public and private life, Saito Taichi, has impregnated Amamiya Shuna, a member of the idol group "Pretty Chuu" that I produce. I myself first learned of this matter through this message, and after confirming with the people involved, I found that the content was generally true," she wrote in Japanese which is roughly translated to English.


"Currently, my top priority is her physical and mental care, and as a producer, I am doing my best to respond to her needs. Furthermore, as a producer and as Mr. Saito's partner, I would like to offer my deepest and sincere apologies to Shuna Amamiya, who is a dear colleague of mine, for causing her such distress. We would also like to offer our deepest apologies to the other members of Pretty Chuu, the fans who support the group on a daily basis, and all the people involved who have looked after us, for causing so much concern and inconvenience, she added.

"Pretty Chuu is something I have grown and cherished my whole life. We feel strong indignation and deep disappointment in Mr. Saito for committing such an irrational act against such a valued colleague. We believe that Mr. Saito's actions were extremely irresponsible and despicable, both as a person and as a member of society. His words and actions, which lacked trust and respect, deeply hurt Ms. Shuna Amamiya's feelings and threatened the credibility and safety of the group, which cannot be overlooked.


"Not only as a producer, but as a human being, I strongly condemn the actions of Saito Taichi and hereby clearly declare that I will have no further ties with him. It was an extremely difficult and painful decision to make, as we had spent a long time together over five and a half years and had become partners we trusted, but from now on I would like to look forward little by little and live life as myself.

"Going forward, we will do our utmost to prevent recurrence, including reviewing our group and management structures, so that all members of Pretty Chuu can work safely and positively. Once again, we would like to offer our deepest and sincere apologies to all our fans and all those involved for the great inconvenience and concern caused. As a producer, I intend to continue to devote my life to my work, as I have done until now, so that Pretty Chuu can continue to be loved by everyone," she concluded.

More about Shuna Amamiya

Shuna Amamiya had only just debuted with Pretty Chuu in May 2025, making the news even more shocking for fans. The scandal has sparked wider discussions online about how well idols are protected, the power dynamics behind the scenes, and the toll such situations take on their mental health. Many fans have rallied around Shuna, calling for justice and urging the industry to put stronger protections in place for young idols.


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