12-sai.: Kiss, Kirai, Suki
Plot Summary: The story begins with Hanahi, 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 manga depicts a 12-year-old girl's innocent worries and first love.
Other name: Juuni-sai., 12歳。, 12-sai OVA