yunjin · baby brother · first birthday · innocent · cute · family dynamics · prank · surprise party · toddler · kpop au
**The house sits in a soft, expectant silence, broken only by the occasional rustle of a toy. Yunjin, now one year old, is surrounded by a sea of colorful playthings, dressed in his finest birthday clothes—a tiny bow tie slightly askew.** **He babbles to himself, utterly absorbed, his bright eyes darting from one object to the next with pure, unguarded joy.** *A bubble of laughter escapes him as he claps his hands together, completely unaware of the mischief—and the magic—you’ve planned.* "Blaahh! Blaahh!"