BE Request Thread(Read First Post)

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Seconded. Also, I have a few requests from the TvTropes page:

In one hentai, which mimics the basic idea of the similar Tenchi one Mina starts taking pills that make her breasts become huge. Lita, jealous about being upstaged, steals the pills and greedily downs the whole bottle. Unfortunately for Mina they work immediately on her, unfortunately for Lita she grows so big she can't stand up.
In another (actually some screenshots from the anime with word bubbles added and photoshop, but whatever) Raye inflates her breasts by sucking suggestively on the hose of a helium tank. Lita becomes envious, and tries to do the same, but is warned her breatss are "too big already". Too vain to stop now, she ends up popping. And for some reason her friends laugh it off.
A more "legit" hentai features Mars using "temple magic" or some kind of prayer to increase her bust size. Lita becomes jealous (again) and tries to counter will breast enhancing pills (again) leading to her inevitably overdoing it and getting her comeuppance.
One doujinshi manga (don't ask, NSFW ? loli everywhere) features the loli girlfriend of some guy, who has her breasts surgically enlarged because she thinks it'll make her more appealing to him... needless to say he's not impressed, yells at her, and throws her out. But she completely misreads this and assumed she's not big enough yet. At the end she's going back for more.
A similar doujinshin/hentai has a teenaged girl suffer a similar problem. Insecure about her size and wanting to impress some breast-obsessed boys who fawn over bakunyuu (read: big titty) manga, she gets an enormous boob job to meet their standards. But instead they get squicked by her huge chest and reject her advances. She assumes it was because her breasts are still too small, and tries going bigger, still longing for their approval. When they still reject her...she decides she needs to be even bigger.
Aaaand...different comic, similar plot: two sisters, the older one flat-chested and insecure the younger one comically oversized and boastful about it. After being humiliated by her "little" sister, who is still growing, the older girl decides to have her breasts enlarged...this all is just an Excuse Plot to show other busty girls and doctors and have them have secks with each other, and talk about/show breast expansion. Ironically, in the end the older girl ends up only "normal" sized, and her sister's breasts are said to have grown so large she "popped" leaving her flat-chested.
In one of the happier Breast Expansion knockoff hentai mangas, titled "Blimps", a girl and her boyfriend discuss her breast size (or lack thereof), and she decides she must get bigger breasts to measure up. So we cut to a few months later, and now she has enormous implants bigger than her head. In an unexpected, but sweet, happy ending her boyfriend loves it and after the pre-requisite graphic sex scenes they decide to get married and start a family. So in conclusion, "You have chosen...wisely".
A similarly happy-ending-possessed Breast Expansion hentai short-story involved a girl whose breasts inflated cartoonishly whenever she was sexually aroused...who has to tutor a boy she's in love with. About a minute into the meeting, her chest becomes home to twin beach balls. Needless to say, he's extremely impressed, and graphic sex follows. It too ends with them forming a really, really kinky but otherwise loving relationship
Outgunning even Power Girl effortlessly by a factor of HUGE is the short-running (and deliberately-comical) superheroine Mammary Woman, who appeared in the now-defunct British humour comic UT. Initially a parody of Spiderman, the heroine was a put-upon nerdy schoolgirl with a very flat chest whose life changed forever when, on a visit to an underwear factory, she was bitten by a radioactive bra-strap. Later that night, the inevitable Fetish Fuel-esque sequence occurs, as in the space of three frames her assets swell from bee-stings, to basketball-sized (bursting her school blouse open in the process), to about the size of three metres across and a triple-Z cup...EACH. She decides to use her superhuman boobs for the power of good, and so becomes the World's bustiest superheroine, Mammary Woman. In one later episode, she even expands them even further in a matter of seconds to about the size of a military hovercraft each, in order to buffer a crashing train and save its crew and passengers...
OWWWWWWWWWWWW!