Ohori was born August 25, 1983, in Ōamishirasato-chō (now, Ōamishirasato), Sanbu District, Chiba Prefecture,[2] and grew up in Shinagawa, Tokyo.
She entered the entertainment industry as a reader model of the magazine for teenagers My Birthday (Jitsugyo no Nihon Sha, 2006), when she was a senior in high school (around 2000), and was acting as a gravure idol.
In solo deployment with gravure as her centre (particularly in the magazine King (Kodansha) for her "Mōsatsu" appearances several times, and her first photo book collaboration with the same project), she expanded the range of activities at once and appealed her presence.
[6][7] In the SKB48 13th Single Senbatsu Sō Senkyo "Kamisama ni Chikatte Gachidesu" that was carried out from June to July 2009, she was in 24th place and played in the Under Girls.
It was announced that full transition to SDN48 will be started from 2010 on the night performance of "Yomiuri Shimbun 135th Anniversary Concert AKB 104 Selected Members Cabinet Festival" held at Nippon Budokan on 23 August 2009.
She presented her transfer to the affiliation office Horipro in night performance of AKB48 Manseki Matsuri Kibō Sanpi Ryōron held at Yokohama Arena on 25 March 2010.
[8] On 27 March 2010, she announced that she participated in the Horipro celebrity women's futsal team Xanadu loves NHC at an SDN48 performance,[9][10] and at the Angel League No.
[11] On 9 September 2010, a result announcement was made on TV Asahi's programme Suppon no Onna-tachi which was planning to select twelve members participating in the major debut song of SDN48 (released from Universal Music on 24 November 2010).
[12] Appearing in the seventh anniversary special memorial performance of AKB48 Theater held on 8 December 2012, she announced her marriage to screenwriter Tatsuya Kanazawa.
Ohori is sometimes called "Sexy Tantō", but there are many episodes unique to that title, in an AKB48 Request Hour Set List Best 100 unit held at Shibuya-AX on 24 January 2008 appeared in a bikini appearance and surprised the audience and members while performing "Blue rose" and "Amai Kokansetsu", she made a surprise of her costume (nurse clothes, sukumizu, etc.)