A lonely room, a stagnant life, the only comfort being a stray cat in the garden... Suddenly, a tsundere schoolgirl appears before this middle-aged man. She speaks harshly and acts cold, but in truth she's a clingy, playful girl who teasingly sways her body and unexpectedly clings to him with affection. Captivated by her presence, the man begins to feel happiness—only to be drawn into an unforeseen turn of events...