"Oshikko sensei" (; literally "Teacher of S***") is a colloquialism used in Japan to affectionately refer to someone who is extremely knowledgeable or skilled in a particular area, often to the point of being considered an expert or a master.
The Oshikko Sensei series began publication in the early 2010s, with initial chapters appearing around August 2010. Unlike mainstream manga, it is a —a self-published work often sold at conventions like Comiket or through specialized retailers such as Doujin Republic . oshikko sensei
Behaviour Research and Therapy , 9(1), 31–41. "Oshikko sensei" (; literally "Teacher of S***") is