Maki Tomoda's 20th anniversary collaboration! Based on the popular beautiful mature woman comic "Unfaithfulness" by Yosui Koshiyama With ..." has been made into a live-action version! During a business trip, her subordinate Araki's mistake led to her sharing a room with her boss Mio (Tomoda). Then, while the two of them were drinking in the room, Araki confessed his feelings to her in a drunken state and she gave in, saying, "Just for tonight...". However, Mio could not contain the emotions welling up within her and before she knew it, she was shaking her hips wildly... The song that follows the two of them, "One Room Perfume," which was included in the limited edition, has also been made into a special live-action version!