Size Chart
Senpai's Secret fantasywear is sized for North American bodies. Sized pieces run XS–3XL; one-size pieces are cut in 4-way stretch with adjustable ties and fit XS through 3XL/4XL. Measurements below are body measurements in inches, not garment measurements.
| Size | Bust (in) | Underbust (in) | Waist (in) | Hip (in) |
|---|---|---|---|---|
| XS/S | 30–32 | 26–28 | 24–25 | 32–34 |
| S/M | 32–34 | 28–30 | 25–26 | 34–36 |
| M/L | 34–36 | 30–32 | 26–28 | 36–38 |
| L/XL | 36–38 | 33–35 | 28–30 | 38–40 |
| XL/2XL | 39–42 | 35–37 | 31–33 | 41–43 |
| 2XL/3XL | 42–44 | 37–39 | 34–36 | 44–46 |
| 3XL/4XL | 45–47 | 39–41 | 37–39 | 47–49 |
How to measure
- Bust — around the fullest part of your bust, tape level.
- Underbust — around the ribcage right under your bust.
- Waist — around the narrowest part of your torso.
- Hip — around the fullest part of your hips and bottom.
Between sizes? Size up for comfort, down for a tighter silhouette. Our stretch pieces are forgiving; PU vinyl pieces (Icebreaker, Heartthrob) have less give, so follow the chart closely. Still unsure — message us with your measurements and we'll tell you which size to order.

