After Five & Five

Shimizu, the sales manager of a company, turns into a completely different person after five. He strips off his suit and becomes ‘Jonathan’, seducing men at the club he frequents. Then a familiar face shows up. Okino is a straight-laced, by-the-book guy from the company’s legal department and Jonathan decides to have a little fun messing with him… But what if Okino manages to get a peek under the mask?

(Source: Akaneshinsha, translated)