[DeepL Translation - needs review] Volume 1: [Over 50 pages of reading!
He says that the mouth is a second sex organ.
Sayama, a boy who always hides his face with a mask, loses his temper when Saikawa, a real guy in his class, forcibly removes the mask from his face.
For some reason, Saikawa takes a liking to him, and in return for teaching him how to study, he is allowed to "do what he likes under the mask"!
He doesn't want to be touched on his face, lips, or mouth, but for some reason, he ...
