"Ecchi Shitai" to Ittekure: Seijin (?) Buchou to Junshin (?) OL

The "saintly gentleman" Mr. Ujihara and the "pure and innocent" Ms. Fuyutsuki are boss and subordinate at work. Others tease them for their lack of romantic interests and their innocent appearance, but with the strong encouragement of their co-workers, they became an official couple supported by everyone in the company. Then came the their first night together. They got into bed and tried to throw off their masks of "gentleman" and "innocence" that they had been hiding behind until then.......?
But because of "certain circumstances," even thought they really wanted to say "I want to have sex with you," they just couldn't let it out. Instead, they have to settle for intense, explosive sexual fantasies. Will the day ever come when they can tell each other how they really feel and make their desires come true...?

(Source: Melt Comics, translated)

Note: Chapter count includes one extra from the volume releae.