Kodomo no Jikan manga series begins its serialization, laying the foundation for the TV show adaptation.
The first season of the Kodomo no Jikan TV anime airs in Japan, adapting the manga into animated form.
The second season of the Kodomo no Jikan anime series is broadcast, continuing the story from the first season.
The Kodomo no Jikan manga series concludes its serialization, wrapping up the storyline.
Kuro Kagami, a new student, transfers into Daisuke Aoki's third-grade class, which sets the stage for the series.
Rin Kokonoe openly declares her feelings for her homeroom teacher Daisuke Aoki, initiating the central dynamic of the show.
Daisuke Aoki deals with various challenges managing the behavior and unique personalities of Rin, Kuro, and other classmates.
Insight is given into Rin's troubled home life and family situation, deepening the understanding of her character.
Daisuke Aoki grapples with his responsibilities and contemplates leaving his teaching position.
The class goes on a beach trip, leading to bonding moments and personal growth for the students and Aoki.
Rin begins to face her personal problems more directly and develops a closer relationship with Aoki.
Students and Aoki reflect on the year's events and their growth.
