115room (일일오룸), named for "the space we like," is a charming South Korean stationery brand founded by Park Su-jin. The studio focuses on creating atmospheric, story-driven paper goods, ranging from their unique frame-shaped postcards and seasonal bookmarks to delicate letter sets and stickers. Their whimsical, painted illustrations frequently capture cozy interiors, seasonal nature scenes, and heartwarming moments featuring pets like cats and dogs.