Japanese actor Sakaguchi Kentaro is under intense media scrutiny after a complex love triangle involving actress Nagano Mei and his longtime girlfriend was exposed. The story was first reported by Shukan Bunshun and quickly became a hot topic across Japan.
According to reports, Sakaguchi currently lives with a makeup artist three years older than him, who often accompanies him on work trips to South Korea. The actress-turned-partner has reportedly introduced Sakaguchi to her family and expressed her desire to marry him.
Despite this, Sakaguchi is alleged to have pursued Nagano Mei, his former co-star and brand campaign partner. The pair were spotted together multiple times, and Nagano reportedly told friends, “Kentaro is pursuing me.” This revelation angered Sakaguchi’s girlfriend, who directly called Nagano, demanding she stay away.
Sources suggest that Sakaguchi considered breaking up with the makeup artist for Nagano but hesitated due to his indecisive personality. Nagano’s management confirmed a past romantic relationship with Sakaguchi but stated they were unaware he was involved with another woman at the same time.
Meanwhile, Tristone, Sakaguchi’s management company, confirmed he had lived with the makeup artist but emphasized that the couple broke up after the relationship was revealed publicly.
The love triangle between Sakaguchi Kentaro, Nagano Mei, and the makeup artist continues to dominate Japanese media headlines.
Sakaguchi Kentaro debuted as a model for Men’s Non-no at age 19 before transitioning to acting. He gained widespread fame through NHK’s morning drama Okaeri Mone (2021). He has previously been involved in controversies, including an incident where BLACKPINK’s Lisa posted intimate photos with him, raising questions about their closeness.
Nagano Mei, known as the “Japanese screen jewel,” has also faced recent scandals. Early in 2025, media revealed rumors of her “double-dating” with married actor Tanaka Kei and Korean actor Kim Moo Joon. Leaked photos and messages caused public outrage, leading to the loss of endorsement deals, withdrawal from a major TV drama, and compensation claims totaling hundreds of millions of yen.
This love triangle scandal has sparked widespread discussion, making Sakaguchi Kentaro’s personal life one of the most talked-about topics in Japanese entertainment.
Sources: Nate
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