Tsukimoto Kizuki

In the future, high school sex education includes practical exams for boy-girl pairs.

\[Yarisa/YariCir: -> JP slang term short for Yari Circle (lit. Fuck Club): on the surface, a university circle or club for socializing with the opposite sex, but actually for having sex if they are lucky under the pretext of circle activities; notorious for gangbang and gang rape scenarios in manga]