Azusa Nagasawa in Invisible Girl
Azusa Nagasawa is a regular semi-insecure college freshman trying to fit in a new environment way different from the years she spent in her hometown. A bit pudgy but also a bit busty where it counts most, she would be a sure-fire standout if the school did not require its student body to wear uniforms all the time. Thus, her curvy, womanly charms remain hidden all day everyday and she comes off as rather squat and plump due to her school's unfortunate choice in uniform manufacturers (it may come off as strange and unusual from a western standpoint but back in the mid 90's, many of the more prestigious Japanese schools teamed up with high-end designers to help create uniforms that students actually wanted to wear and an off-shoot from this era was the “kogal” or “kogyaru” phase of gyaru culture where naughty and outgoing tan Japanese girls wore their uniforms nearly 24/7!).
Suffering from a bit of an anxiety issue stemming from her insecurity and ineptitude from making new friends, one day Azusa decides to see a local psychiatrist who gives her a special concoction that would make an apothecary blush and a mountebank giggle because according to the psychiatrist, a few swigs of this special potion and her problem will “disappear”. Open-minded as she is, Azusa agrees and later on takes her first dose of this mysterious liquid and waits for the magic to happen....and waits. Feeling nothing out of the blue, Azusa decides that the potion was too good to be true and hopes that in the coming months, she can get new friends and maybe even a charming boyfriend the old-fashioned way—by talking to people!
The next day, we see Azusa returning to class and hoping for a best. Perhaps after this pseudo-pharmaceutical failure, she has learned to believe more in herself and not rely on third-party assistance? Entering school through the back-entrance through the baseball field, we see Azusa nearly bump into a male classmate while conveying her morning salutations but to her shattered chagrin, he screams and runs—no, darts the other way with wide eyes screaming about having seen an invisible ghost wearing a schoolgirl uniform.
Now Azusa may not be the brightest bulb at times, but she is no simpleton either and putting two and two together from the description of the potion she drank last night and her classmate's understandably vitriolic reaction, she has deducted that she has become totally invisible. Not simply translucent like some people from western Europe are, but totally transparent and thus this puts her in quite a jumbled imbroglio. Being the aspiring erudite that all good Japanese students strive to be, she figures that until this potion runs its course (and who knows how long that will take), she has no choice but to break one of her college's most cardinal rules and not wear the mandatory schoolgirl uniform to class. In fact, going a few steps further, the only way she can continue her on-site education in her transparent state is to attend to her classes totally in the nude and stay as quiet as possible.
We have seen naked in school Japanese students before but never like this as the busty Azusa finally is able to let it all hang out in comfort while her classmates remain totally unaware of the nudist, invisible student in their midst. As Azusa steadily grows accustomed to her new nude state, we see her having fun with her invisible 'powers' by seducing poor, confused male students while they are alone. Imagine not seeing but * feeling * a soft, large breast and a hard, centered nipple brush up against your forearm as an invisible hand starts massaging your crotch. It's quite a feeling and would probably be incredibly pleasurable and vastly frightening at the same time. Going even further, to see a shy male student's reaction as his fresh, hot semen is licked off his cock after receiving such a macabre handjob from an invisible horny patron from the Other Side is rather entertaining as well.
For awhile, the fun continues for Azusa until one day, she is nearly caught in the act of sucking off a semi-confused student (semi is added her because recently, there has been a rumor spreading around campus about a very horny and busty female ghost that likes to pleasure male students when they are alone) in the men's bathroom by a female classmate who she never has gotten along with. Correctly sensing blackmail but just moments too late as it seems that the potion does run out faster than she thought it would, the female student orders poor top-heavy Azusa to become her personal sex-slave and to pleasure her targets as she sees fit else she will rat out this poor at-times invisible girl to the school administration and as we can see, through her role as a ghostly sex-slave, Azusa finally finds the friendship she was always looking for.