Shuudengo, Capsule Hotel de, Joushi ni Binetsu Utawaru Yoru.
※ NOTE: "Normal edition" broadcast on Tokyo MX, "complete edition" streamed on Comic Festa's Anime Zone streaming service.
The story centers on Minori, an office worker, and her boss Hadano, who are constantly arguing with each other. One night, after a company drinking party, Minori and Hatano are having their usual argument, when Minori realizes that she has missed the last train. They decide to spend the night at a nearby capsule hotel, but an incident forces them to share the same unit.
[Source: Anime News Network; emended]