[Legendary title returns renewed!] With the family away on a trip, an uncle ends up staying at Mahiro's place instead. Though flustered at first, Mahiro gradually falls for his gentle charm. Overcome by the summer heat, Mahiro decides to take a bath. The uncle joins her, tenderly washing her hair. As he massages the shampoo into her scalp, Mahiro's heart races. A thick something brushes against her hair, gradually enveloped in white. Unable to resist the sensation, she surrenders her tiny slit. An experience like a dream unfolds.