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| Kojima Haruna Is Married and Has Welcomed Her First Child: Who Is Her Husband? |
Former AKB48 member Kojima Haruna has announced that she has welcomed her first child and officially registered her marriage, giving fans two major personal updates in one announcement. The 38-year-old Japanese entertainer shared the news on 7 November 2026, confirming that both she and her baby are healthy. However, there is one question fans are particularly keen to have answered: who is Kojima Haruna’s husband? Although IT entrepreneur Taku Miyamoto has frequently been linked to the former idol, she has not publicly identified her husband by name in the announcement.
Kojima shared the news through a formal statement posted on social media, explaining that she had deliberately waited until after giving birth safely before making the announcement. Rather than revealing every detail of her private life, she kept the message relatively simple, focusing on her new family and expressing gratitude to the people who have supported her throughout her career.
In her statement, Kojima wrote that she had welcomed her first child and wanted to share the news only after the delivery had gone safely. She also confirmed that both mother and baby were healthy and enjoying peaceful days together. Alongside the birth announcement, she revealed that she had completed her marriage registration, known in Japan as nyūseki.
She also took the opportunity to thank her fans, professional colleagues and the members of her company for their continued encouragement. Kojima added that she intended to approach her work with even greater dedication, suggesting that becoming a mother would not mean stepping away from the business she has spent years building.
It was a relatively understated announcement considering the significance of the news. No elaborate wedding photographs, lengthy relationship revelations or carefully staged family introductions were included. Instead, Kojima chose to share the essentials and keep the rest private. Honestly, after years in the entertainment industry, she has probably earned the right to announce something without turning it into a full-scale publicity campaign.
So, who is Kojima Haruna’s husband? The name attracting the most attention is Taku Miyamoto (宮本拓), a Japanese IT entrepreneur who has been romantically linked to her since around 2018. Previous Japanese media reports connected the pair, with coverage describing their relationship and alleged time living together. Their reported relationship attracted attention partly because both had established careers outside the traditional entertainment spotlight.
Miyamoto was born in 1992, making him approximately four years younger than Kojima, who was born on 19 April 1988. His name has repeatedly appeared in discussions about Kojima's romantic life, particularly following reports about the pair several years ago. This history explains why his name has resurfaced following her marriage announcement.
However, there is an important distinction between a widely reported relationship and a confirmed marriage. Kojima has not named Taku Miyamoto as her husband in her 7 November statement. Therefore, while he is the person most frequently associated with her in earlier relationship coverage, it would be premature to present him as her confirmed husband. Until she chooses to disclose the identity of her spouse, the name remains unconfirmed.
Kojima's journey since leaving AKB48 is also an important part of the story. Born in Saitama Prefecture on 19 April 1988, she joined AKB48 as one of its original first-generation members in December 2005. She became one of the group's best-known faces, earning a place among the popular members often referred to as the Kami 7. Alongside her music career, she developed a profile as a model and television personality, eventually becoming one of the recognisable figures of the group's original generation.
She officially graduated from AKB48 in April 2017, bringing an end to approximately 12 years with the group. However, she clearly had no intention of disappearing from the public eye. In June 2018, she launched Her lip to, a lifestyle and fashion brand that grew beyond a celebrity side project into a substantial business. She later established heart relation in January 2020 to manage the expanding brand operation, taking an increasingly hands-on role in its creative direction and business development.
Her business career reached another significant milestone in 2026 when fashion company yutori completed its acquisition of heart relation, making it a wholly owned subsidiary. Kojima continued her involvement as the company's founder and creative leader, while also becoming a shareholder in yutori through the transaction. It was a considerable achievement for someone who first became famous as an idol. Not everyone manages to turn their post-group career into a successful business, but Kojima has certainly made a convincing attempt.
Her new arrival and marriage announcement therefore come during an interesting period in her life. She is no longer simply the former AKB48 member fans remember from the group's early years. She has established herself as an entrepreneur, developed a successful lifestyle brand and now entered another major chapter as a mother and wife. Naturally, fans are curious about how she will balance family life with her professional commitments, particularly as her business continues to expand.
There is also a reason why her announcement has attracted so much attention beyond the baby news. Kojima has generally kept her romantic life away from the spotlight, despite years of speculation surrounding Miyamoto. The fact that she confirmed her marriage without naming her spouse has naturally left room for questions. Still, there is a difference between respecting someone's privacy and filling the gaps with assumptions. Fans may want a name, but the announcement itself does not provide one.
Personally, this is a lovely milestone for Kojima, and perhaps one of the more interesting developments in her life after AKB48. She has managed to build a career that goes well beyond her original celebrity status, establishing a fashion business while maintaining her public profile. Welcoming her first child and confirming her marriage adds another dimension to that journey.
I also think her decision to wait until after a safe delivery before sharing the news deserves respect. Not every personal milestone needs to become a running public countdown. As for the mystery surrounding her husband, the curiosity is understandable, especially given the history involving Miyamoto. However, speculation should not be mistaken for confirmation. If he is indeed her husband, an official introduction can come whenever she feels comfortable. For now, her healthy baby and happy family news deserve to remain the main story.
Kojima's announcement marks a significant new chapter for the former AKB48 star, but the identity of her husband remains the detail fans are still discussing. Taku Miyamoto is the name most frequently associated with her, although neither the marriage statement nor the available confirmation identifies him as her spouse. What do you think about Kojima keeping her husband's identity private? Do you believe the rumours about Miyamoto, or should fans simply wait for her to share more? Let us know your thoughts.