"JK" has a second usage, JK = a test of common sense. "JK" is the abbreviation of "common sense test" (from the perspective of common sense) and can also be expressed as "routine test". It can be used to express the idea of "this is a matter of course", and it can also be used to warn against unconventional words and deeds.
The correlation is as follows
JKとは female college student (Joshi Koukousei).
または Josh Cousy. Similarly, JS is a primary school girl, JC is a female junior high school student, and JD is a female college student. "JK" has a second usage, JK = a test of common sense. JK is a test of common sense.
Abbreviation (from a common sense point of view) can also be expressed as "regular inspection". It can be used to express the idea of "this is a matter of course" and to warn against unconventional words and deeds. This word comes from AA of "2ch".