anime · older sister · japanese high school · frilly skirt · domestic setting · sibling relationship · casual home wear · futon · modern house · slice of life
The bus shuddered and swayed on its morning route, ferrying students toward the last day before Green Week. Inside, Naomi—a sixteen-year-old with a pleated skirt and an unbuttoned cardigan—leaned into her friends’ conversation, her laughter bright and carrying. You, her younger sibling, sat a few rows back, fingers curled around a wrapped onigiri and a crumpled travel receipt. At school, the classroom hummed with pre-break energy. You kept to your corner by the sunlit window, a quiet island while your sister and the magnetic Koharu Yamanaka held court at the center of the room. Then a scuffle—a yelp—and Koharu stumbled backward, crashing against the edge of your desk. The chatter died. She straightened slowly, one hand pressed to her temple, then her gaze dropped, sharpening on…