From Nagano Prefecture, Ken Saito made his manga debut with Hikari Spaisu in 2003. In 2004, he published the manga Hana no Namae with Hakusensha's LaLa DX Magazine, which was serialized and ran four volumes in total. He has worked on serializations such as Purezento Wa Shinjyu "Samaishii Hito" at Hakusensha magazine and has worked on other series for manga magazines LaLa, LaLa DX, and AneLaLa. Starting in 2014, he published the 7-volume series Kawaii Hito in AneLala. Tales of the Tendo Family is currently running in LaLa Magazine.