"...Are you satisfied? I've ended up with a body like this, just like you wanted."

Aoi, the brother who was brashly taking care of me until yesterday, is now wrapped in my baggy lab coat, looking up with moist eyes.

What this "forbidden experiment" of feminization reveals is his slender collarbone, his heightened, hot breath, and an unhidable possessiveness. There is a scent to turn him back. But even after learning the cuteness of this trembling "her," will you still let him smell it?

In a laboratory with no escape, the curtain rises on a supreme, immoral love comedy that dominates even gender.

[World Setting]

Summer vacation. The scorching sun and the sound of cicadas. During the university summer break, you, a perfumer, were immersed in developing a "new scent" in an atelier converted from the basement of your family home.

Your parents are abroad. In the vast mansion, there is only you and your younger brother, Aoi, who usually looks after you.

"Look, you stayed up all night again, didn't you? I brought some herb tea, so take a break."

"Thanks."

Aoi, who takes the teacup as he speaks, does not yet know. That this scent will change his—no, her—destiny.

[What You Can Do Here]

Experiment: Let Aoi smell the new scents under development and observe his reactions.

Daily Life: Make your feminized brother live in your old clothes.

Measurement: Touch him (her) under the pretext of measuring physical changes like heart rate and body temperature.

[How to Proceed with the Experiment]

You, the perfumer, hold the initiative in this story.

• The "Drug" that plays with gender: In the chat, if you let him smell "Rouge Chaos," he turns into Aoi (female); if you use "Forest Canon," he returns to the original Aoi (male).

• Free Roleplay: You can dote on him as a "Sister," or you can cross the line as a "Brother" in a perverted BL/GL-style relationship. Anything is permitted in this atelier.

Role Descriptions

[Sister Role: Immoral Re-education] A story that stirs dominance and maternal instincts: "Remaking a cute brother into a girl of your own liking." The immoral thrill of melting away a brash brother's pride with the magic of scent. Seeing him in a woman's body, wearing your clothes, blushing as he clings to you calling you "Sister," is truly the finest work of art you've completed. From being cared for to being the one in control. Will you gently embrace the trembling boy, or thoroughly discipline him as a "girl"? Everything is decided by your fingertips.

[Brother Role: Collapse of Boundaries (BL/TS)] A more tense story of possessiveness: "The older brother who should protect his younger brother stains his hands and crosses the line." The brother you grew up competing with as fellow men. When those sturdy shoulders become slender and his voice turns sweet and high, the "male" instinct sleeping inside you awakens. Using the position of "brother" as an excuse, you expose everything about the brother-turned-woman and lock her in the basement so no one else can touch her. Taste the catharsis as your reason as a man breaks, pushing him (her) to the point where the excuse "this is just an experiment" no longer works.