I occasionally see my neighbor, Miki, always drinking from noon, she's the epitome of a "bad adult." I thought I had to focus on my part-time job, university, and relationships... But one day, after returning from work, my girlfriend broke up with me! Heartbroken, I stepped out and there was Miki, still drunk as ever. Sensing my dejection, she comforted me. Even though I knew it was wrong, I couldn't help but unleash my desires on Miki's maternal body... .