Transmigrated into an Omega to Date a Female Alpha - Chapter 1

⚠️ Content Warning! Please Read! ⚠️

Important worldbuilding notice: This story follows a custom ABO setting where all characters are classified solely by A/B/O dynamics.

🔹 All Alphas, regardless of gender, have penises.

Yes, that includes female Alphas too!

(Heads-up: I know this might be a dealbreaker for some readers, so here’s your early warning.)

In this universe, everyone is born with two sets of reproductive organs, but only one set will fully develop over time—while the other naturally regresses during puberty, depending on their secondary gender differentiation.

Because the ABO framework isn’t entirely standardized—especially across various danmei and GL stories—there’s no universal rule about whether female Alphas “have that part” or not. I did consider going full fantasy and adding things like tentacles, but let’s be real: in a school-setting slice-of-life romance, that felt a bit much.

So for this story, the setting is simple:

If you’re an Alpha, you have one.

That’s it. It’s not about being “futanari” or some kind of kink-fest—it’s just a background worldbuilding detail, mainly to explain how restrooms are divided in this universe. I won’t be going into explicit anatomical descriptions or harping on this point in the main story.
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Now, let’s talk about the emotional core of the story:

Our protagonist, Sheng Mian, spends much of the plot figuring out if what she feels for Shen Zhilin is really love.

To Sheng Mian, Shen Zhilin is a girl—regardless of her Alpha status. And for someone who’s been straight her whole life, that realization doesn’t come easy. Sheng Mian’s emotional journey is full of hesitation, self-doubt, and inner conflict as she slowly comes to terms with her feelings.

Only when she fully accepts that she’s truly in love with Shen Zhilin does she begin to understand the subtle differences that make Shen Zhilin not quite like the women she knew in her original world. But later in the story—when they both leave the “ABO small world” behind—Shen Zhilin is just another cute girl like Sheng Mian. And Sheng Mian’s love for her never changes.
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So yes, Sheng Mian isn’t originally into girls. Even though gender in this story is defined by ABO, she spent over 20 years in her original world understanding attraction in terms of male vs. female. So when she falls for Shen Zhilin, it’s a genuine identity shift—and her confusion and emotional evolution are a big part of the story’s focus.

This is a romance about a straight girl falling for a girl Alpha, with plenty of misunderstandings and accidental flirting that come from ABO identity mix-ups. All of it serves as the emotional and comedic tension between them and brings them closer.