is a Japanese manga series by Junko Kawakami. Chà «gakusei Nikki is serialized in the monthly manga magazine Feel Young since June 2013. A live-action drama began airing in October for the Fall 2018 season.
Akira Kuroiwa, a third year middle school student, falls in love with his new homeroom teacher, Hijiri Suenaga. Akira struggles with these feelings knowing their age gap and the fact that Hijiri already has a longtime boyfriend who she is engaged to. Akira is disheartened at first, but things change by the time he is 18, when Hijiri has broken up with her fiancé.
Written and illustrated by Junko Kawakami, Chà «gakusei Nikki started in Shodensha's josei manga magazine Feel Young on June 7, 2013. Shodensha has collected its chaptets into individual volumes. The first volume was released on July 8, 2016. As of May 8, 2020, six volumes have been released.
A live-action television series adaptation was announced in July 2018 and slated for release in October 2018. The series is directed by Ayuko Tsukahara, Kentarà  Takemura, and Toshio Tsuboi, with Arisa Kaneko writing the script. The series stars Kasumi Arimura as Hijiri, Kenshi Okada as Akira (in his debut acting role), and Keita Machida as Shà Âtarà Â. Additional cast members include Yui Natsukawa as Aiko (Akira's mother), Yo Yoshida as Ritsu, and Mari Natsuki as Shiotani. Two original characters were also created for the television series and included Makita Sports as Shigeru and Tomochika as Chizuru. The television series aired weekly on TBS at 10 PM.
The first episode of the live-action series gained at 6.0% viewership, with many viewers expressing discomfort at the subject matter of the series. Despite that Akira is 15 years old in the series, the production opted to cast 19-year-old Okada as they could not hire an actor closer to the character's age.
Chugakusei Nikki won the 7th Anan Manga Awards in 2016.