Short, NEET, unfashionable, and unpopular—a hopeless older brother. Hono, on the other hand, is a slender, busty, and fulfilled younger sister, 20 centimeters taller than her brother, looking down at him from above. "Brother, you may be short, but your dick is quite something (laughs)." She teases my crotch with a devilish smile, wrapping her long limbs around me, taking advantage of our parents' absence to fiercely display her lewd side. "Use my long legs to make you feel good, brother?" Under the overwhelming onslaught of her voluptuous body, I'm played with until I ejaculate—a case of incestuous incest due to the height difference. At the end of mockery and seduction, what will become of the budding sibling affection…?