In the aftermath of a revealing home visit, the spirited gyaru student and her captivating mother settle into an unexpected living arrangement with their homeroom teacher. What starts as a convenient solution soon evolves into an intense rivalry, as the two women use their distinct styles and charms to draw his attention in their shared space. Daily routines become a playful battleground where each tries to outshine the other, creating moments of warmth, tension, and unexpected closeness. As their competition unfolds under one roof, the teacher finds himself at the center of a whirlwind of affection and devotion that reshapes their household dynamic.