12-sai.: Chicchana Mune no Tokimeki 2nd Season
Genres: Romance
Type: TV, Episodes: 12
Aired: Oct 3, 2016 to Dec 19, 2016
Studio: OLM
Source: Manga
Rating: PG - Children
Synopsis:
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.

(Source: ANN)