Kanade Katagiri's crippling anxiety confines her to the bedroom, and she only allows her stepbrother Ikuto Sonomura entry. One day, after deciding boldly to get a haircut, her social world instantly expands as the fresh style attracts men's interest and lifts her self‑esteem. Yet these newfound connections make Ikuto feel his spot in her life is at risk, forcing Kanade to choose whom she values, and in the quiet corners of her mind she feels.