Tsubasa, a married woman, gets dead drunk, mistakes her home, and begs her neighbor for sex. The next day, she is caught masturbating while cursing to herself by the same neighbor, Mizutani. When Tsubasa comes to apologize, Mizutani treats her with sincerity and puts her at ease. Just as a tense silence falls between them, a sudden visitor arrives. Hiding under the futon, she finds herself face-to-face with Mizutani's erect cock... The two, who were never meant to cross paths, use this masturbation incident as a catalyst to begin a passionate affair so intense they end up drenched in sweat...
