Chikan densha: Ecchi ga ippai.

Haruki Michikawa is a female lolicon manga artist who is currently gaining popularity under the pen name Minamino Vibe. She is popular not only among readers, but also liked, or even targeted, by editorial production staff. This is because while Haruki draws extreme erotic manga, she is still rumored to be a virgin. Then Haruki receives a request from her editor, Kitayama, to create a manga covering her molester experience. The ending of the molestation experience coverage on a crowded train... A lecherous editor also appears among the perverted staff, and what will happen to Minamino Vibrator's virginity?