---
title: "rumi cosplay — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/rumi-cosplay"
last_updated: "2026-07-14T06:22:47.399Z"
locale: en
meta:
  description: "high returns (16.9%) — rumi cosplay doesn't clear our bar today."
  "og:description": "high returns (16.9%) — rumi cosplay doesn't clear our bar today."
  "og:title": "rumi cosplay — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
---

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# **rumi cosplay**

**Skip it**

High returns (16.9%) — this niche doesn't clear our bar today.

Market size 37Growth 19Conversion 9Competition 55Returns 0Price range 95Avg price 88Brand share 28Review moat 97Quality gap 97

**Quality gap**

**Incredible****3.8★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Incredible****57.77**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Incredible****$21.47–$97.08**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Great****$64.70**

avg listing price — sweet spot $15–$100

**Competition**

**Good****52%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****$187K**

$187K/yr · 401K searches

**Brand share**

**Okay****88%**

top-5 brand share — brands hold most of the demand

**Growth**

**Bad****-12.9%**

90-day search growth — must beat 0% to launch

**Conversion**

**Bad****0.7%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Bad****16.9%**

return rate — above 6% kills the launch gate

## **Competition**

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**11 **▲rising

**Sellers**

**15**

**Top-5 brand share**

**88%**

**Open market**

**7%**

- OSIAS43% - Linnektome14% - Cosfun12% - Spirit Halloween10% - ZBDFNJ9% - KPop Demon Hunters5% - Open — no brand owns it (5 brands, 7%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$9K10%$19K15%$28K20%$37K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![OSIAS Women Rumi Cosplay Costume Golden Stage Outfit Black With Sequined Design (XL)](https://m.media-amazon.com/images/I/41I8xcbyOKL.jpg)**OSIAS Women Rumi Cosplay Costume Golden Stage Outfit Black With Sequined Design (XL)**OSIAS**$94.41**3.4★8 rev](https://www.amazon.com/dp/B0FQNT7Q65) [2![Linnektome Costume Uniform Dress Full Set For Women Party Outfit](https://m.media-amazon.com/images/I/51z0uDhwm+L.jpg)**Linnektome Costume Uniform Dress Full Set For Women Party Outfit**Linnektome**$48.57**3.4★61 rev](https://www.amazon.com/dp/B0FMRQQ5M6) [3![Spirit Halloween KPop Demon Hunters Adult Rumi Costume Officially Licensed Korean Pop Idol Outfit Lead Singer Women Size ADULT EXTRA LARGE Standard Multicolor](https://m.media-amazon.com/images/I/31EJnumvVzL.jpg)**Spirit Halloween KPop Demon Hunters Adult Rumi Costume Officially Licensed Korean Pop Idol Outfit Lead Singer Women Size ADULT EXTRA LARGE Standard Multicolor**Spirit Halloween**$71.51**4.5★18 rev](https://www.amazon.com/dp/B0FQPDPQVN) [4![ZBDFNJ Womens Role-Playing Costumes Complete Costumes and Accessories Halloween Costumes](https://m.media-amazon.com/images/I/418TSvAzGlL.jpg)**ZBDFNJ Womens Role-Playing Costumes Complete Costumes and Accessories Halloween Costumes**ZBDFNJ**$57.26**3.8★32 rev](https://www.amazon.com/dp/B0FP96HJFK) [5![OSIAS Women Rumi Cosplay Costume Golden Stage Outfit Black With Sequined Design (M)](https://m.media-amazon.com/images/I/41I8xcbyOKL.jpg)**OSIAS Women Rumi Cosplay Costume Golden Stage Outfit Black With Sequined Design (M)**OSIAS**$93.19**3.4★8 rev](https://www.amazon.com/dp/B0FQNSN74V)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![FENGLONG-YB Costume Cosplay Golden For Girls Women With Wigs Halloween Top Pants Full Set Outfit](https://m.media-amazon.com/images/I/41V3VxX4jQL.jpg)**FENGLONG-YB Costume Cosplay Golden For Girls Women With Wigs Halloween Top Pants Full Set Outfit**FENGLONG-YB**$74.78**95 rev9mo ago](https://www.amazon.com/dp/B0FSLZFMXT) [![KPop Demon Hunters Rumis Yellow Jacket Unisex Anime-Inspired Cosplay & Streetwear Fashion Coat - Officially Licensed - Large](https://m.media-amazon.com/images/I/41cC0WcoQgL.jpg)**KPop Demon Hunters Rumis Yellow Jacket Unisex Anime-Inspired Cosplay & Streetwear Fashion Coat - Officially Licensed - Large**KPop Demon Hunters**$87.78**12 rev9mo ago](https://www.amazon.com/dp/B0FRB786YC) [![ESUNO Hair Cap+47 inchs Long Purple Wig with Braids Purple Braided Wig for Women Extra Long Cosplay Outfit Halloween Ponytail Costume Adult Anime Outfit for Halloween Party Cosplay Comic Con](https://m.media-amazon.com/images/I/31XRmsyEnOL.jpg)**ESUNO Hair Cap+47 inchs Long Purple Wig with Braids Purple Braided Wig for Women Extra Long Cosplay Outfit Halloween Ponytail Costume Adult Anime Outfit for Halloween Party Cosplay Comic Con**ESUNO**$21.47**38 rev9mo ago](https://www.amazon.com/dp/B0FR4GB51N) [![OSIAS Women Rumi Cosplay Costume Golden Stage Outfit Black With Sequined Design (XL)](https://m.media-amazon.com/images/I/41I8xcbyOKL.jpg)**OSIAS Women Rumi Cosplay Costume Golden Stage Outfit Black With Sequined Design (XL)**OSIAS**$94.41**8 rev10mo ago](https://www.amazon.com/dp/B0FQNT7Q65) [![Spirit Halloween KPop Demon Hunters Adult Rumi Costume Officially Licensed Korean Pop Idol Outfit Lead Singer Women Size ADULT EXTRA LARGE Standard Multicolor](https://m.media-amazon.com/images/I/31EJnumvVzL.jpg)**Spirit Halloween KPop Demon Hunters Adult Rumi Costume Officially Licensed Korean Pop Idol Outfit Lead Singer Women Size ADULT EXTRA LARGE Standard Multicolor**Spirit Halloween**$71.51**18 rev10mo ago](https://www.amazon.com/dp/B0FQPDPQVN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![KPop Demon Hunters Rumis Yellow Jacket Unisex Anime-Inspired Cosplay & Streetwear Fashion Coat - Officially Licensed - Large](https://m.media-amazon.com/images/I/41cC0WcoQgL.jpg)**KPop Demon Hunters Rumis Yellow Jacket Unisex Anime-Inspired Cosplay & Streetwear Fashion Coat - Officially Licensed - Large**KPop Demon Hunters**$87.78**4.7★**▲ 127%**](https://www.amazon.com/dp/B0FRB786YC) [![Linnektome Costume Uniform Dress Full Set For Women Party Outfit](https://m.media-amazon.com/images/I/51z0uDhwm+L.jpg)**Linnektome Costume Uniform Dress Full Set For Women Party Outfit**Linnektome**$48.57**3.4★**▲ 122%**](https://www.amazon.com/dp/B0FMRQQ5M6) [![Linnektome Costume Uniform Dress Full Set For Women Party Outfit](https://m.media-amazon.com/images/I/51z0uDhwm+L.jpg)**Linnektome Costume Uniform Dress Full Set For Women Party Outfit**Linnektome**$48.35**3.4★**▲ 109%**](https://www.amazon.com/dp/B0FMRPSC58) [![OSIAS Women Rumi Cosplay Costume With Leather Stretch Shorts and Padded Shoulder Jacket (XXL)](https://m.media-amazon.com/images/I/41qdVZzlRcL.jpg)**OSIAS Women Rumi Cosplay Costume With Leather Stretch Shorts and Padded Shoulder Jacket (XXL)**OSIAS**$85.64**4.4★**▲ 92%**](https://www.amazon.com/dp/B0FPFP2PZM) [![FENGLONG-YB Costume Cosplay Golden For Girls Women With Wigs Halloween Top Pants Full Set Outfit](https://m.media-amazon.com/images/I/41V3VxX4jQL.jpg)**FENGLONG-YB Costume Cosplay Golden For Girls Women With Wigs Halloween Top Pants Full Set Outfit**FENGLONG-YB**$74.78**3.6★**▲ 91%**](https://www.amazon.com/dp/B0FSLZFMXT)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 43 weeks — -12.9% search growth over the last 90 days.

50K30KSpike '25Sep '25Nov '25Dec '25Feb '26Mar '26May '26

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**29%

*“Good quality for costume”*

**Size-Overall**18%

*“Fits and looks great”*

**Ease Of Use**6%

*“it was pretty easy to use that way”*

**Wig/Artificial Hair Quality**5%

*“Great wig piece”*

**Value For Money**4%

*“its so worth it”*

**Material Quality**4%

*“Great quality material”*

**Soft Feel**3%

*“Its very soft and quite beautiful,”*

**Thickness**3%

*“The braid is really thick which is nice”*

**Stretchability/Expandability/Elasticity**3%

*“This one has stretchy type shorts”*

**Adjustability/Rotatability/Reclining**2%

*“the tailor did a great job adjusting it”*

### **What buyers complain about **

**Size-Overall**24%

*“Too big”*

**Weight Heavy**18%

*“is too heavy”*

**Quality-Overall**13%

*“Not quality”*

**Wig/Artificial Hair Quality**6%

*“The wig messed up completely”*

**Durability**5%

*“Belt snapped when I tried it on”*

**Embellishment/Embroidery Quality**4%

*“It didn't come with the embroidery shown in the photo and video”*

**Smell**4%

*“Smelled awful”*

**Advertised Vs Actual Product**3%

*“Misleading product”*

**Functionality-Overall**3%

*“just did not work”*

**Material Quality**2%

*“Oh and the material on the white part of the costume is all cheap plastic”*

### **Top return reasons **

**Size-Overall**67%

**Wig/Artificial Hair Quality**6%

**Advertised Vs Actual Product**5%

**Quality-Overall**3%

**Sleeve Fit**3%

**Weight Heavy**3%

**Length**2%

**Waist Fit**2%

**Defective Material/Parts**1%

**Value For Money**1%