2016.03.16 - Graduated from SNH48's Team SII (Announcement: December 16, 2015)
2016.04.01 - Graduated from SKE48's Team S (Announcement: December 16, 2015 | Graduation Ceremony: March 4, 2016 at Nippon Gaishi Hall | Last Theater Performance: March 31, 2016)
Allegedly, she didn't know about her transfer to Team S until AKB48 Group Daisokaku Matsuri, during which she was on her way home and received a phone call by Sato Mieko live on stage
Was the first member to be transferred between sister groups to become leader of her new team
Is said to be a major mood maker off stage, especially leading and counseling younger members
Nito Moeno once revealed that there was a Miyazawa Fan Club among the Kenkyuusei of AKB48
In SNH48, she was first utilized as a assistant performance coach. A TV show depicted her scolding the entire group for unprofessional behaviour
Matsui Jurina has praised her leadership during her time with SKE48, both for the team and the group in general
In SKE, she had an extreme bias for Kitagawa Ryoha, who also happens to be a big fan of her
Tends to misspell English words (for example, "RISET" instead of "RESET", "DiVE" instead of "DiVA", "famiry", etc.), and admitted her Kanji reading abilities are poor
After the transfer to SNH48, Kiseki wa ma ni Awanai's worst position in the Request Hour was #7 (2014). It claimed 2nd place in Request Hour 2013 and won the contest in 2016
It is the best ranking stage unit song in the history of AKB48 Request Hour
Due to working permit problems, she and Suzuki Mariya had to wait for their stage debut with SNH48 for more than a year.
her incompetence with fashion, being named "ugly fashioned girl" in all four fashion contests she participiated in
her ability to write complex mails, winning the Beautiful Mail Queen contest twice (and ranking 2nd the other two contests)
her domination of Danso contests
Announced her graduation during the second part on the nation-wide broadcast of music show "FNS Kayousai"
She was the second member to announce graduation while holding a concurrent position, but she was the first member to graduate from her concurrent group/team after graduating from her first group/team.
She was the first Team Kaigai member to officially graduate as a member of an international sister group.
She was also the only Japanese member to graduate from SNH48.
She is called, "The Wall of Miyazawa" by her Chinese fans, which meant that if a member outranked her in the Sousenkyo, they would be in Kami 7.
From the 2nd Senbatsu Sousenkyo up to the 7th Senbatsu Sousenkyo, all of the members who outranked her (with the exception of the original Kami 7) managed to rank in the Kami 7. Kashiwagi Yuki (outranked her in the 2nd Election), Sashihara Rino and Matsui Rena (3rd Election), Matsui Jurina (4th Election), Yamamoto Sayaka, Shimazaki Haruka, Suda Akari, Miyawaki Sakura (6th Election).