HAPPY LESSON



HAPPY★LESSO is a Japanese media-mix project produced by Dengeki G's Magazine. The manga adaptation was written by Mutsumi Sasaki and illustrated by Shinnosuke Mori, and serialized in Dengeki G's Magazine from April 1999 to September 2002.

It was adapted into a five-part OVA series in 2001; a thirteen-episode animated TV series in 2002; a sequel TV series, called Happy Lesson Advance, in 2003; and a second OVA series, Happy Lesson: The Final, in 2004. The series has also been adapted into a series of drama CDs and a Dreamcast game.