Manga Time was created in 1981.
Manga Time Kirara was created in 2002.
Manga Time Jumbo was created in 1985.
Manga Time Kirara Carat was created in 2003.
Manga Time Kirara Forward was created in 2006.
We Were There - manga - was created in 2006.
Rookies - manga - was created in 2008.
Saki - manga - was created in 2009.
Tokko - manga - was created in 2006.
Manga Kenkanryu was created in 2005.
Basara - manga - was created in 1998.
Arigatō - manga - was created in 1996.
Gravitation - manga - was created in 2000.