You hand back the tablet to Dr. Terrific, saying you made your choice, that you were going to try being Arachnid-Girl.
"Now that you've made your choice, step inside the chamber just like your friend did and we'll get you set up." Dr. Terrific responded, beginning calibrations.
You go inside, the heavy metal door sliding shut, your only window to the outside being a thin vertical slit with a transparent polyurethane panel he could he see through, one of those special panels that can turn opaque when an electric current ran through it.
You notice Dr. Terrific wave your girlfriend over to her, as though to ask her something, motioning at the tablet quixotically. Your girlfriend looks surprised for just a split second, before sporting a sly smirk and wagging her new tail saucily. You didn't like how how that tail was moving. When dogs' tails wagged they were happy, but when cats' tails wagged, they were either upset, or schemi-
"Ow!!" you exclaim, as the pain of of the pin prick of the needle brought your attention back to the machine, now whirring to life. "Penny, what did you do?" you nervously call out, only to realize no one outside could hear you. That was when the window went opaque as the lasers zapped off your clothes, including a limited print Justice-Man t-shirt. "Aw, I liked that shirt."
As your waistline caved in, you felt a powerful suction in your loins. Looking down you see your sack already gone, an opening forming in its place as your dick had almost shrunk away to a nub. "Yep. Definitely female now." you remark as your genitals finish their transition, also noting your voice beginning to go up in timbre.
However, you notice something that sends you into a panic as your hair grows out. "Wait... Phoebe Parker is a redhead. This isn't red hair!! Penn-yyyyyy!!!!"
Outside, Dr. Terrific turned to your girlfriend Penny, now the new Lioness, and said, "Is your boyfriend, what's his name, er..."
"Brian." Penny answers.
"Right, is Brian goin to mad we did this?"
"Psssshhh, nahhhhh." Penny waves her hand jokingly, tail still wagging coyly. "Besides, it was his fault for not hitting 'Confirm' and forgetting theere's like a gazillion Arachnid-Girls out there, so I picked one for him."
Back inside the machine, just as you were getting incensed, you saw the purple hourglass mark on the back of your left hand; a mark present on any Arachnid-Girl, regardless of their origin. "So, I'm still becoming Arachnid-Girl, just Arachnid-Girl of one of those alternate earth reboot series." You began to think which one you were becoming.
Was it:
- The Arachnid-Girl of Universe 8994, a girl named Mina Morales, a teenaged barricuo (half-black, half-Puerto Rican) girl bit by a mutant spider and became a drider with electrical powers.
- The Arachnid-Girl of Universe 51178, "Webby-Chan," a regular spider from a universe that has toon physics that got attacked by a horde of radioactive magical girls, and is now a human going by the name of Madoka Hoshinori, who can turn into a spider-themed magical girl known as "Webby-Chan."
- The Arachnid-Girl of Universe 98, a 30-year old mother of one named Parker Maeby that by chance took an offer to bond with a peculiar alien arachid symbiote when her and her child was put in danger by a street gang when her car broke down, giving her superhuman spider-based powers, the ability to grow and retract four extra arms, grow and fire hairy barbs much like a tarantula all over her body, inject venom from her teeth, and coat herself in a suit with her symbiote that also augments her defense, she became known as the superhero "Girl-Arachnid."
- The Arachnid-Girl of Universe 69420, also known as Bambi Winters, the "Snowy Widow." This blonde, massively-mammaried, midriff-baring, miniskirt-clad iteration of Arachnid-Girl comes from a reality that was hit with the devastating "Ditz Virus," turning everyone on the planet, except 69 people, most of them women & children, into dull-witted blonde bombshell babes. The Snowy Widow not only has spider-based powers, but ice powers as well. Her super strength is also at least five times greater than that of Phoebe Parker, the OG Arachnid-Girl. Bambi however... is bad about forgetting what her power set is at times.
- The Arachnid-Girl of Universe 4, a young girl no older than 8 but possessing a super-genius intellect from the 42nd century, Ami Yamamoto, who after being bit by a genetically modified cybernetic spider was rendered comatose and near-death; her father Kei decided to transfer her mind into an experimental bio-android body he made, using her genetic material as a base, not knowing the spider's bite had mutated her genes. Now she not only has spider powers, but can remotely hack and control various computers and machines, and has her own little mini-mech she calls "Strider."
There were several others out there, but you couldn't think of them all right now, as your attention became focused on your changes again, beginning to see a clear winner, which was...