Take Me to the Cosmos - Starry Sky Dresses
On pixiv there are a lot of illustrations of characters wearing a dress with stars or the cosmos, affectionately called "Starry Sky Dresses." It's clothing fit for really romantic looking illustrations and it looks like the dresses have stars set into them.
In Japan, today (Sept 12th), is also the day the Ministry of Education, Culture, Sports, Science, and Technology has marked as "Day of Cosmos." Check out these illustrations!