- In private, she is on good terms with former AKB48 members Tomomi Kasai and Natsumi Hirashima.
- She is ambidextrous with her left hand for chopsticks and toothpaste, and with her right hand for pens and sports.
- She also holds the first grade of Western-style dressmaking certification and the first grade of food certification.
- Changed name to "Riko Tamaki" in 2021.
- Special skill is kendo and herrank is 5th dan.
- She is active as the first student of Flowers, an exclusive reader model for "Beauty Hundred Flowers" published by Kadokawa Haruki Office.
- Her hobbies are karaoke alone and watching anime.
- She said a banned term on Sunday Japon (TBS TV) broadcast on March 19, 2017, which became a hot topic on the Internet news.
- From May 2015, acted as a serial gravure [Mysterious Saint Riko] in "FLASH".
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