2 Season
26 Episode
Happy Lesson - Season 0 Episode 1 Nice and Warm - Alone With Kanna
Bonus episode (Episode 11.5) on the third DVD. This is the same as Happy Lesson Advance Episode 9 with different opening and endings.
- Country : Japan
- Genre : Animation, Drama, Comedy
- Director :
- Cast : Daisuke Kishio, Kikuko Inoue, Kaoru Sasajima, Ruri Asano, Tamaki Nakanishi, Nana Mizuki
