Toshiki lives alone in an apartment. His morning commute is tedious, but he also has something to look forward to. On garbage collection day, a beautiful married woman named Hina gets into the elevator. He can't even converse with her, so he just stares at her... And today is garbage collection day. Hina gets in like always, but suddenly the elevator stops! Come to think of it, he thinks he saw a notice for a "maintenance inspection"! His anxiety and tension are growing... In the midst of all this, Toshiki becomes aroused by Hina in front of him...