At age 16, her first year of high school, Yoshitaka joined the entertainment industry when she was scouted by an agency while shopping at Harajuku. Yoshitaka made her acting debut in 2006. She was given the lead role in the live-action adaptation of
Hitomi Kanehara's award-winning novel
Snakes and Earrings in 2007. Portraying Lui, a teenager whose life goes into a downward spiral after meeting the forked-tongued and tattooed Ama, the role was Yoshitaka's
breakthrough role. The Japanese public began to take notice of her, and in a poll conducted by
Oricon, Yoshitaka was the fifth promising young actress of 2009 and 2009's freshest female celebrity. In 2010, Oricon again conducted a poll on the most promising actress and she managed climb up to top the poll. Yoshitaka began to receive more work in 2008 as she appeared in
Flow's
music video , was given her first lead role in the comedy drama and took up the lead role in the film before the theatrical release of her other lead film
Snakes and Earrings. In 2009, Yoshitaka was given the role of the suicidal Kairi Hayakawa in the romantic-comedy
drama Love Shuffle. Later in the year, she portrayed in the police drama
Tokyo Dogs with
Shun Oguri and
Hiro Mizushima as her co-stars. In 2010, she starred as all three sisters in a short drama series titled . It was announced on May 13, 2010 that Yoshitaka was given her first lead role in a network television drama series called , portraying a university student with an incurable illness. She played
Tae Kojima in the two-part 2011 live-action adaptation of the
sci-fi and
action manga
Gantz. She also took the lead role in Kōji Maeda's movie
Konzen Tokkyū, portraying a young woman dating multiple men in hopes of finding the right one to marry. It premiered in Spring 2011. From March 31, 2014 to September 27, 2014 she portrayed
Hanako Muraoka (1893–1968) in , a
Japanese television drama series, the 90th
Asadora series broadcast on
NHK. She hosted the
65th NHK Kōhaku Uta Gassen on New Year's Eve 2014 alongside
Arashi. ==Personal life==