機動戰艦
After graduation, she moved to Tokyo to become a voice actress. She entered Aoiso in 1994. In auditions after graduation, about 20 out of 71 people have passed the exam and belong to the Aoni Production's agency profile. She made her debut in the 1995 anime series "Sailor Moon S". In 1996, the anime series "Martian Successor Nadesico" gained the role of heroine Yurika Misumaru and gained popularity. The same year, her younger brother passed the University of Tsukuba. She played Shiro Bonn in "Bomberman B-Daman Bakugaiden" and Maron Kusakabe in "Phantom Thief Jeanne". In 2010, Kuwashima was appointed as a cultural ambassador of Iwate Prefecture.