I, Koshi Rikdo, the original author, do NOT give permission to turn Excel Saga into a giantess fiction. So, please- don't blame me for what happens next!
"MENCHI, GET BACK HERE!"
The cries of the hunger-crazed woman echoed through the air, disturbing neighbors. Excel accelerated after her whimpering dog, knocking various objects off the dressers and walls. Her roommate, Hyatt, lay peacefully on the ground, the hurried footsteps and shouts not disturbing her temporary death.
F Prefacture, F City was once a wonderful, bustling metropolis, with nice green spaces, and buildings far enough apart for someone between 50 and 250 feet to walk between without much difficulty. Yet, due to the recent economic crisis that had struck Japan, living conditions were poor. Innocent people found themselves violently tossed between jobs, unable to keep a steady income, and desiring to crush the upper class beneath their feet.
Thus, the secret ideological organization, ACROSS, was born. An underground revolutionary group, lead by the charming and charismatic Lord Il Palazzo, they swore to bring the world to justice, and end all forms of war and inequality. But for now, since the group consisted of four members- said leader, Excel, Hyatt, and Menchi- they'd lower their goalposts. First, conquer the city. The rest would come naturally.
And, despite her optimistic devotion, Excel was stuck on a limited budget. So, there were days where her fridge was empty. On those days, Menchi, her pet dog, doubled as a living pack of emergency rations.
"Come on, Menchi! We all have to make sacrifices for the good of the city! I've done my part, Hyatt's done hers- it's your turn! It won't be so bad, I swear!"
Her bare feet slammed against the wood floorboards as she dashed forward, reaching out for the horrified canine. Drool ran from her mouth, fangs protruding slightly, her green eyes dazed in the hunger-driven trance. Excel's legs became a blur, her orange ponytail flapping as she ran. She was clad in ACROSS' uniform, showing off her cleavage and legs. Recently, Il Palazzo had sent her to the crocodile pit for failing to conquer the park- she'd just recently gotten out, and hadn't had time to change. Oh, that Il Palazzo! So cold and straightforward; and yet, somehow, that made Excel long for him even more.
Quickly, Menchi swerved outside the open door, leaping off the balcony, her feet pitter-pattering away. Unable to keep up with the dog's nimble legs, Excel crashed into a wall. Lying on the ground, dazed from pain and gluttony, the young woman felt her consciousness leaving her body, mumbling incoherently:
"Just picture a great big steak... Fried, roasted or stewed...Oh, food, wonderful food, marvelous food... Glorious food... Aaah, how am I supposed to serve the glorious Il Palazzo in this state? How can this nubile young woman possibly eat, take out her financial and romantic frustrations, and improve the state of the city?"
And so came a plot device. Of course, the actual method a girl grows in these stories isn't usually all that important- the result matters, not what started it. The Puchuus, an alien race, had been working on a growth ray to wage war on humanity, and dropped it nearby. The Great Will of the Macrocosm took pity on the woman, and blessed her with size for her loyalty to ACROSS. Nuclear waste was dumped right onto Excel. Poemi, the magical girl, misfired a growth spell. Some rare growth hormone went into effect. An afro'ed man drugged her with growth liquid, or tossed a growth potion down her throat. Something like that. Take your pick.
In any case, the revolutionary felt a strange sensation floating from her booted toes to her empty head. A zap of electricity, surging through her veins. It would be almost relieving, orgasmic, even!... If it weren't for the cramps floating over her body. Excel grimaced, feeling her skin and muscles stretched out in a way human skin and muscles weren't designed to be stretched. Her entire body became heavy, as the Square Cube Law was slammed onto a table and penetrated. Raising to her bottom, Excel's head crashed painfully against the ceiling, leaving a clear mark. Soon, her right elbow and heels followed.
"What's this? What's happening to Excel's innocent, untouched body?"
The woman gasped as she heard her rapid voice echoing back to her. The next door neighbor, Watanabe, opening the door to complain about the noise, stood speechless. Before him, the suddenly massive woman was struggling to fit within her crumbling room. The walls protested against her arms as her legs tossed knickknacks this way and that. Slowly, Excel's outfit tore, conveniently leaving her nipples still covered despite her rapidly increasing size. Her hapless neighbor had just enough time to dash away in fear as her head tore through the roof. Hyatt still lay dead to the side, smiling. With a massive crashing sound, debris flying everywhere, Excel peeked out of the house to the streets below.
"Wh-wh-what? I don't get this! Help me, Il Palazzo!"
Her screams cracked nearby windows and made nearby people cringe, holding their ears. The neighbors dashed away as Excel's legs popped out of the walls, leaving her wearing the house like a costume. Soon, her shoulders emerged from the ceiling, followed by her chest, bouncing a little. Wide-eyed, she gazed down, panicking. Desperate to avoid sinking any deeper into dept, she carefully stood, crushing her belongings with her clumsy footsteps.
Towering over the surroundings, Excel gazed over the City of F, shocked, hands over her head. Stepping out carefully, gazing as her careless boots caused unspeakable property damage, she found herself at loss for words for a moment. Dumbly, she watched as faceless crowds stared towards her towering form, shocked, unmoving, practically begging to be snuffed out violently.
"Wh... WHAT THE HELL IS THIS?!"
The strength of her shout tossed half of the crowd away- but it was her rapid, panicked movements that did the most destruction, as she dashed this way and that, tearing her hair out. People below ran in terror as her panic attack destroyed their homes.
"Oh no, this is bad! Like, I've been in bad situations before, but this is probably somewhere within Excel's top ten! Wait, why am I panicking, I'm practically a living weapon! GAH! I won't have anything to eat! Not that I had much before, but I won't be able to watch TV and play video games! Not like Excel COUUUULD afford them, and yet, and yet! How am I supposed to associate with the brainless masses and spread the word of Il Palazzo and get a part-time job at this size? People will fear me and loathe me and laugh at me! Oh, the promising, adventure-and-romance filled life of the main character, turned into a circus show for the sake of a fanfiction!"
Letting out an exaggerated leap of melodramatic sorrow, Excel landed face-first into the commercial district, her chest easily reducing a small business to an unrecognizable pile of rubble. With a sigh, she stood, dusted herself clean, and whacked herself on the head.
"Okay, okay, Excel. That'll do for the angst. Hm, surprisingly, I'm actually okay with this. Like, despite never doing anything like it before, growing feels pretty natural!"
Yawning, she stretched her arms up, before feeling over her chest.
"In fact, for some reason, Excel feels every little trace of her previous characterization being sucked away so that it can be replaced by a cruel, murderous tyrant! Yay! Is this because a maiden's heart is so fickle and emotion-driven that any change in size can completely change her as a person, and make her forget everything and everyone she loves? Was my previous sociopathic behavior in the series proper a roundabout justification for this? Has the entire series continuity been derailed over a fetish? Aaah, who cares~!" Rubbing her eye a bit, she tilted to the left slightly. "Well, actually, I don't feel all THAT different, honestly, but..."
With a scratch of the back of her head, she suddenly grinned, and started a deranged, happy dance.
"WAIT! I just remembered- I'm supposed to be conquering the city! Ahhh~ Lord Il Palazzo, how could I let hunger get in the way of my duty as your loyal servant and admirer?" Slamming her fist in her palm, she went back and forth like a wrecking ball of joy. "This size must be a gift from you, to help me conquer the city! Yes! Your genius never fails to amaze me and arouse me, Il Palazzo! I accept! I'll do it for you!"
She was now dancing on a pile of wood and cement that was once a neighborhood, Hyatt resting peacefully on the bottom of her sole. Every movement she made shook the Earth- and, with her attitude, she made LOTS of movements.
"I'll do ANYTHING for you!" The gigantic Excel blushed, hands to her cheeks. "I'll crush, crumble and chomp left and right, should you order me so! I'll trip over banana peels, tear my body in half, eat through solid steel, fight military forces, clean bathrooms... If you so wish, you can use me for ALL your fantasies, and won't have to feel guilty, because I have a position of relative power! Isn't that what big girls are all about? Yay, horrid, unpardonable actions, for the good of the city! For the good of ACROSS! For the pleasure of the mindless masses!"
Finally, with one mighty leap, buildings came crashing down. Standing among them, the long-winded girl pointed to the sky.
"As a great woman once said, there is one Earth! If we split it in half, there will be two! All of mankind is scum- and beeeeautiful!"
She jumped into the air again, flipping around with perfect coordination, landing perfectly on her feet.
"HAIL..."
An authoritative, powerful stomp on the ground.
"IL..."
A perfectly-postured salute, taking over the skies, signaling to a new future for the diminutive City of F.
"PALAZZO!"