[Eri and Chinatsu Cosplay] Zenless Zone Zero Collaboration Fitting: Petticoat Magic Brings Out Idol Vibes

On the eve of the collaboration, I finally tried on both skirts for Eri and Sunna cosplay. Both outfits came from @布偶班长, and shipping speed was super fast. Receiving them this morning, I immediately took a few mirror selfies to confirm tomorrow's outfit try-on state.

Starting with Eri's outfit, the most immediate impression upon wearing it was how perfectly the waist tailored to my body shape, offering a great slimming effect from the side. I conducted a comparative test: wearing a petticoat on the left, and none on the right. Without a petticoat, the skirt fell naturally like a daily pleated skirt; although waist corseting ties offered some waist-slimming effect, the hem lacked a 3D structure. Once inserting the petticoat, the visual transformation was striking. The pink-and-white fluffy skirt popped with a smooth curve, building instant visual depth paired with yellow star plushies at the waist and a huge red bow tie across the chest, radiating full idol vibes. Thigh straps connected white stockings with red hollow ribbons, while off-the-shoulder detached sleeves rounded off a highly polished look.

Moving on to Sunna cosplay, the design similarly followed a cute aesthetic, with a heart-shaped backpack featuring small wings on the back capturing my attention instantly. However, I encountered a minor issue during fitting: perhaps due to shoulder straps, neck prints, or lacking an appropriate matching petticoat on hand, the waistline appeared muted, resulting in a straight silhouette without the crisp slimming effect seen in Eri's outfit. Lacking preparation today, I didn't snap petticoat comparison shots for Chinatsu, so tomorrow at the offline shop I'll adjust the waistline using alternative inner layers or belts.

I want to particularly praise the backpack in Chinatsu's set. Its cute appearance was off the charts, featuring white wings paired with a pink heart. Crucially, it's not merely an anime accessory—its interior capacity is genuinely impressive. Daily essentials like power banks, touch-up makeup, and even small compact cameras slide in effortlessly. Combining decorative charm with utility is a huge plus for cosplay, meaning I won't need an extra bag while visiting the KFC collaboration theme store tomorrow; this small backpack easily handles daily outing needs.

After trying both, I'm quite satisfied with the craftsmanship. Eri's waist corseting ties and side zippers operated smoothly, and fabrics felt comfortable against the skin. Metal buttons and strap details on the white sleeves were solidly stitched rather than flimsy. For daily outings or offline collaboration events, both looks deliver strong recognition.

Wearing them directly to the theme store tomorrow should offer a great event atmosphere. Tonight I'll organize these small accessories, bow ties, and collars to avoid morning rush. Eri's body inclusivity and slimming effect were delightful surprises—elevated further by the petticoat to convey vibrant energy—while Sunna's backpack stood out as the most surprising highlight. Hoping my waistline adjustments succeed tomorrow so both sets shine in their best form.