Fireworks
With Yui's cram school lessons and Kazuma's work in his family's bathhouse, Hanabi and Yuuto are left to go on a date at the summer festival.
Aired 20/06/2016EP 12 - Fireworks

2016
12-sai.: Chiccha na 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. This is the depiction of a 12-year-old girl's innocent worries and first love.
(Source: Anime News Network)