[All] [2025 Latest] Is Koji Mizukami's brother Karma? A thorough explanation of the truth behind the rumor and his family structure!

Is it true that Koji Mizukami has an older brother? We'll thoroughly explain his relationship with YouTuber Karma, the real story with his sister, the true identity of his beautiful parents, and the whole picture of his family. We'll get to the truth behind the rumors and a heartwarming family story!

1. Who is Koji Mizukami? His real name and stage name

Mizukami Koji made his debut in the entertainment industry under his former stage name, Okada Kenshi. He co-starred with Arimura Kasumi in the drama "Chugakusei Nikki" and rose to fame as a young actor. He then terminated his contract with his agency in August 2022 and changed his name to his real name, Mizukami Koji. The reason behind his name change was that he was no longer able to use his stage name, and it reflected his own new determination, saying, "'Koji' means to shine and guide people."

2. Mizukami Koji's family structure | Breakdown of his four-person family

Koji Mizukami's family consists of four people: his father, mother, older sister, and himself. He has publicly stated that he has no older brother, but has one older sister, so there are many anecdotes that show that he grew up in a warm family environment.

3. Where did the rumor that he has an older brother come from?

The reason why the search keyword "Mizukami Koji brother" became a hot topic was because of YouTuber Karma's prank "Reunited with my younger brother after 10 years". The younger brother who appeared in the video, covered with a blur, was rumored to look like Mizukami Koji on social media, and the "brother theory" spread due to their common origins in Fukuoka.

4. The truth behind the YouTuber Karma = older brother theory

Mizukami Koji has clearly denied this rumor, stating in multiple media outlets that he has no older brother and only one older sister. The timing of Karma's prank and Mizukami's name change overlapped, creating a misunderstanding. Even though they are from the same place, they are not related by blood.

5. The existence of a beautiful older sister and stories of sibling love

Mizukami Koji has one sister who is five years older than him, and it has been revealed that they are very close. His sister gives her younger brother skincare advice when he starts his career in showbiz, and they used to talk about monsters when they were children, so it is clear that they have a strong relationship of trust. He also seems to be influenced by dramas that his sister recommends, as he sometimes watches them more than three times.

6. The deep bond between a handsome father and a kind-hearted mother

His father was so popular that all the buttons on his uniform were removed by girls when he graduated from junior high school, and he left his son the life lesson of "Try your best and if you fail, that's okay." His mother was a kind person who was so worried about her son that she was strongly opposed to him entering the entertainment industry, and they have built a warm home where all the family members share their feelings in words and never forget to express gratitude or apologize.

7. Koji Mizukami's home in Fukuoka and his student days

Koji Mizukami was born in Higashi-ku, Fukuoka City, Fukuoka Prefecture, and spent his youth devoted to baseball until middle school and high school. He had been scouted by the entertainment industry since his first year of middle school, but he says that he started to think about becoming an actor after attending a drama competition in high school. It may have been a natural progression for him to move into the entertainment industry.

8. Summary | "Family love" is the origin of Koji Mizukami

Mizukami Koji has no older brother, and it is confirmed that he has only one sister. His relationship with Karma was also just a rumor, not a fact. What is even more noteworthy is the deep and warm relationship he has with each member of his family, and there is no doubt that Mizukami Koji is who he is today thanks to the support of his family.

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