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Louiosy (LL-4L)

Louiosy (ルオシー) is a plus size Japanese fashion brand specializing in sweet aesthetic items. Their collection includes cute dresses, tops, and more in sizes LL-4L.

Louiosy ルオシー plus size japan clothes

The Clothes

Think pastels, lace, and beige. The sweet aesthetic is wildly popular and has been one of the most prominent trends in Japanese women's fashion from the 2010s to the 2020s. For those who enjoy sweet details without going full-out, a lot of items are also offered in black (and tend to sell out a bit faster than their counterparts). These looks would be great to wear every day, on a date, or for a night out.

Sizes offered are LL to 4XL .

The dresses, which are the focal point of the brand, generally come in two silhouettes: fit & flare and A-Line. Many dresses are cinched below the bust (elastic) and flow away from the body. They also carry an array of skirts, blouses, and knit cardigans.

The entire collection uses a similar or complementary palette, so you can easily mix and match pieces. There is a variety of texture, fit, and pattern to make an outfit visually interesting with ease.


The clothing items are designed by the brand and manufactured in China. Material choices are mostly synthetic, but at the price point for the brand, that is expected. The majority of items are made using polyester.

louiosy plus size japan

Plus Size Brand Models

I always appreciate a brand that uses plus size models to showcase plus size clothes - it's so difficult to guess how an item will look on your body when it's just a picture of the clothes, or the model is wearing a smaller version of the plus size item. Thankfully, Louiosy not only uses plus size models, they also list the models' height and clothing size to help you envision how it would fit your body. For most items, you'll actually find that they've provided images of multiple plus size models, of different measurements, wearing the items.

Louiosy has a strong online presence and works cloosely with brand ambassadors; if you visit their instagram account you can see the items in even more detail, styled on different bodies.

Payments and Shipping

Currently, Louiosy is online only and sells through Favclo, a web mall that hosts Japanese indie brands.

Items can be shipped across Japan, with a shipping fee of only 250 yen for orders over 4,000円. Accepted payment methods include Credit Card, Paidy, GPay, and Amazon Pay.


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