"Look at this stain, it's what Yukino-chan left..." As the male janitor sucked the girl's love juice, he trembled with ecstasy. He covered the white skin of the girl, who was raised in an upper-class family, with spittle and kneaded her swelling breasts. Despite her pained expression, the girl's pussy drew a line, accepting the man's filthy cock. This is the unknown story hidden behind the incident of the girl's captivity.