Yui Nagase Declares Her | Retirement. Ichika Mats...

Ichika stepped closer, the smell of the ice rink—cold, sharp, and nostalgic—lingering between them. "I don't know how to do that. You were always my North Star."

But in her retirement letter, Nagase chose to focus not on the rivalry, but on a secret friendship the public never saw. Yui Nagase declares her retirement. Ichika Mats...

The two have maintained a close personal friendship outside of their professional personas.

Born in Tokyo on October 15, 1999, Yui Nagase first stepped into the world of Japanese entertainment at just 16 as an idol. However, she soon became disillusioned with the industry's harsh realities, including intense competition and its "glittering" facade, leading her to retire after less than a year. Ichika stepped closer, the smell of the ice

Following her exit, Nagase—who now goes by her real name, Rina—transitioned into a completely ordinary life. Reports shared via updates on platforms like the @AVrumor X account revealed that she relocated to Kyoto to work as a hotel manager. While she has noted that the transition to a quiet, rural lifestyle away from Tokyo has been a difficult adjustment without a close local circle, she remains deeply appreciative of the fans who continue to support her through her social media updates. The Bond with Ichika Matsumoto

Nagase's departure leaves a significant vacancy at the top of promotional billboards, one that contemporary idols like Matsumoto are poised to fill as the industry adapts to a new generation of talent. Let me know if you want to focus on: | | Official Blog / X (Twitter) |

The Japanese adult entertainment (AV) industry is known for its fast-paced nature, where stars can rise to massive popularity and choose to exit just as quickly. Among the most notable departures in recent years was , who officially retired from the industry in 2021 after a highly successful two-year run.

"I'm both saddened by Yui's decision to retire and excited for the new chapter in her life. She's been an inspiration to me and to many others in the industry. I have no doubt that whatever she chooses to do next will be filled with the same passion and success that has defined her career," Matsumoto said.

In contrast, remains one of the industry's most active and sought-after stars. Having left her longtime studio DAS! in mid-2025, Matsumoto transitioned to the powerhouse label MOODYZ . Her career momentum shows no signs of slowing down in 2026: