In 2006, Asakura applied for the 6th Toho Cinderella Audition,[2] an audition sponsored by Toho and Toho Entertainment, and was selected as a finalist.[3] She did not win the prize at that time, but she attracted attention and became a Toho Entertainment celebrity and entered the show business.[4] According to her, the audition was recommended to her by others.[5] In 2007, she made her acting debut in the television series When I was a child: Actress Yuki Saito, and in the following year, 2008, she made her first film appearance in Double Trouble.[3] In 2010, She first starred in a television series, Tomehane! Suzuri Kōkō Shodōbu.[2] Following this, she played the role of the protagonist's friend in the NHK broadcast asadora TV series Teppan, which started to air in September 2010.[6]
In 2013, Asakura voiceed of Princess Kaguya, the heroine of the Studio Ghibli film The Tale of the Princess Kaguya. She has loved Ghibli films since childhood, but had no previous experience of voice acting.[7]
Hundreds of people applied for the audition for this role, which was held around spring 2011.[8] She said that she did not respond well to the audition and went home crying, thinking she had failed.[9] Director Isao Takahata said he chose Asakura because many actresses today have passive voices, but her voice was selfish.[8]
At the end of March 2014, Asakura terminated her contract with Toho Entertainment and temporarily suspended her acting career.[10] She later said that she needed a break at the time and also said she spent her time working part-time in an office during her hiatus of about a year.[11]
In 2015 she returned to show business when she became affiliated with the entertainment agency Konyi and had her first starring role in a film in Halloween Nightmare.[12] In 2017, the film Summer Blooms, in which he starred, won the FIPRESCI Jury Prize and Russian Critics Jury Special Mention at the 39th Moscow International Film Festival.[13][14]
She was scheduled to appear in the stage production of Frozen Beach starting in July 2019, but had to withdraw due to health problem.[15] At the end of February 2022, she terminated her contract with the entertainment agency Konyi. In December of the same year, she announced that she would be joining Japan Music Entertainment.[16]