A new OL working at a black company encounters supernatural anomalies in a midnight apartment and must escape by spotting irregularities and returning to her room, with erotic dot animation scenes triggered by mistakes.

Touch everywhere of her body and then use as you want. Humiliate Yui, who can easily talk about naughty things and doesn't seem to be embarrassed at all!

You’ve been appointed as the leader of the "Sexual Relief Department." While working alongside the company’s most beautiful junior colleague, Shinano Sato, to handle the department’s tasks, you struggle with the fact that your own sexual needs are left unaddressed. One day, you realize that Shinano is also part of the Sexual Relief Department and decide to embrace the situation. Using your position, a secret after-hours task with your junior colleague begins in the office at night...