The hashtag #carnivalssellingdresses is trending across Japan on Twitter, with people posting photos of their own carnival dresses they are selling.
The hashtag has also been used by Japanese celebrities, including the singer Kim Soo Hyun and the actress Yoo Seung Woo.
A post on the Twitter account of Korean entertainment agency, A Pink, shows a young boy with his carnival dress, and a post on A Pink’s Instagram page shows a younger boy with her own dress.
Another post on Instagram shows a woman wearing a carnival gown.
Some people on Twitter have also been sharing pictures of their dresses on Instagram, including some with the hashtag #hobbycarnivals sellingdresses, which has been trending in the country since September.
The hashtag was coined by @misteryork, who said on Instagram that she sells her own carnivals selling dresses.
Misteryorks post has attracted more than 100,000 retweets and 1,400 likes since it was posted on September 4.
The post is one of the most popular posts on the social networking site.
Another trending hashtag on Instagram has been #carna sellingdolls, which is also a trending topic on Twitter.