Biography

Upon entering high school, Kouno joined her school's voice acting club, where she studied the performances of voice actors. She also participated in other activities such as playing basketball. After her graduation, she enrolled in a training school operated by the Yoyogi Animation Academy. She completed her studies in 2014, and became affiliated with the Mausu Promotion agency the same year.

She is the second of the three sisters, where her sister Rina is known as a dancer.

She formed the unit Earphones with Yuki Nagaku and Rie Takahashi.

As a child already, she was fond of reading aloud during elementary school classes. She first became interested in voice acting from watching anime series. After learning that the characters Pikachu from Pokemon and Chopper from One Piece were voiced by the same person, Ikue Otani, Kouno began to aspire pursuing a career in voice acting.

She is a member of the unit Earphones along with Rie Takahashi and Yuki Nagaku.