12-sai.: Chicchana Mune no Tokimeki

The story begins with Hanabi, a sixth-grade girl who is neither an adult nor a child. She deals with issues such as accidentally witnessing her homeroom teacher kissing, and worrying about experiencing physiological changes before her friends. The series depicts a 12-year-old girl's innocent worries and first love.

Full Cast of 12-sai.: Chicchana Mune no Tokimeki

Ai Kakuma is a Japanese voice actress from Fukuoka. She is affiliated with Mausu Promotion.

Sayuri Hara is a Japanese voice actress and singer.

Juri Kimura (木村 珠莉, Kimura Juri, born June 7) is a Japanese voice actress and narrator from Fukuoka Prefecture. She...

Shun Horie (堀江 瞬, Horie Shun, May 25, 1993) is a Japanese voice actor born in Osaka. He won the Best New Actor Award...

Shinnosuke Tachibana (立花 慎之介, Tachibana Shinnosuke, April 26, 1978) is a Japanese voice actor, singer, narrator and...

Taishi Murata is a Japanese voice actor. He is affiliated with Across Entertainment.

Soma Saito (斉藤 壮馬, Saitō Sōma) is a Japanese voice actor affiliated with 81Produce.

Crew of 12-sai.: Chicchana Mune no Tokimeki