|Nickname||Hina-chan (ひなちゃん), Hinapyo (ひなぴよ)|
|Birthdate||February 21, 2003|
|Current Age||18 Years Old|
|Agency||Setouchi Co. Ltd.|
|Idol Career Info|
|Team||STU48 1st Generation|
|Debuted||March, 2015 and March, 2017 / AKB48 Group Draft Finalist and STU48 1st Generation|
- On March 1st, became a AKB48 Group Draft Kaigi 2015 Finalist.
- On May 10th, was not selected by any groups in the AKB48 Group Draft Kaigi 2015.
- On September 18th, was selected to be a member of 48 Group NEXT12 sub-unit and participated in the song Monica, Yoake da.
AKB48 Senbatsu Elections
- 2015 Member Draft Pool → STU48 1st Generation
- Kaze wo Matsu
- Daisuki na Hito
- Mubou na Yume wa Sameru Koto ga Nai
- Omoidaseru Koi wo Shiyou
- Hitorigoto de Kataru Kurainara
- STU48 (Kurayami)
- Kataomoi no Iriguchi (Kurayami) (W-Center with Ichioka Ayumi)
- Shukko (Kaze wo Matsu)
- Yume Chikara (Kaze wo Matsu)
- Genten (Kaze wo Matsu)
- Koi wa Kebyo chu (Daisuki na Hito)
- Kiseki no Iu Na no Story (Mubou na Yume wa Sameru Koto ga Nai)
- Sunglasses Days (Hitorigoto de Kataru Kurainara)
- Boku wa Kono Umi wo Nagameteru (Hitorigoto de Kataru Kurainara)
- Setouchi no Koe (Negaigoto no Mochigusare)
- Omoidasete Yokatta (11gatsu no Anklet)
- Hotei Sokudo to Yuuetsukan (11gatsu no Anklet)
- Pedal to Sharin to Kita Michi to (Jabaja)
- Saikyou Twintail (NO WAY MAN)
- Monica, Yoake da (Sustainable)
- Showroom Audition Number: #2
- Penlight Colors: Pink and yellow.
- Hobbies: cooking, collecting cute things watching AKB48 DVDs.
- Favorite Color: Pastel pink.
- Ranked 3rd during the Showroom Auditions
- Was not selected at the AKB48 Group Draft Kaigi 2015
- AKB48 Draft Kaigi 2015 Profile:
- Pros: Able to read the atmosphere, makes the weather turn fine (Hare Onna)
- Cons: Natural airhead
- Hobbies: Chatting with friends about AKB48G
- Special Talent: Sleeping as much as she wants
- Dogs or Cats?: Dogs
- Admired member: Kojima Haruna
- Participated in HKT48 4th generation auditions.
- Looks up to Kojima Haruna and Okada Nana.
- Her specialty meal is Omurice.
- Her favorite foods are strawberries, tapioca, sweets and Horumonyaki.
Iwata Hina 10th Senbatsu Election Poster (2018)
Iwata Hina (2018)
Iwata Hina 9th Senbatsu Election Poster (2017)
Iwata Hina (2017)
Iwata Hina (April 2017)
Iwata Hina at the AKB48 Group Draft Kaigi 2015
|STU48 1st Generation|
| Ishida Chiho | Ishida Minami | Imamura Mitsuki | Iwata Hina | Okada Nana | Otani Marina | Kai Kokoa | Kadowaki Miyuna |
Sakaki Miyu | Takino Yumiko | Taniguchi Mahina | Hyodo Aoi | Fukuda Akari | Mineyoshi Arisa | Morishita Maiha | Yano Honoka | Yabushita Fu