"Himawari" is a comedy that focuses on the main character, Akiko. Akiko and her father, Kenichi No.1, work for the same company. Akiko's love interest is Kenichi No.2.
Taira Yuna as Hayashi Akiko
Actress and idol from Hyogo. She is a member of Oha Girl Chu! Chu! Chu! and is shown in pink. She enjoys classical dance, playing the trumpet and rollerblading.
The younger sister of two actors Airi and Keisho Taira.
Takahashi Katsunori as Hayashi Kenichi / Keni
Takahashi Katsunori was born into a musical family when his father was a high school conductor and his mother was a vocal teacher at Aoyama Gakuin Girls' College. At the age of 3, he began to master the piano and was sent to a special gifted school for children for the rest of his life.
Inoue Yuki as Korogi Kenichi / Kenich
Asaka Yui as Hayashi Noriko
Oshima Mai as Ebihara Kurumi