TV
Finished airing
12 episodes
12-sai.: Chicchana Mune no Tokimeki 2nd Season
12歳。～ちっちゃなムネのトキメキ～
Characters and voice actors
Staff and studios
Maita, Nao
Original creator
Oozora, Masaki
Director
Tsubota, Fumi
Script
Hagiwara, Shouko
Character design
Yamagoe, Yasuji
Director of photography
Nakamura, Chiho
Color design
Komori, Mayumi
Editing
OLM
Animation production