Break Room Completed by SYLD

Overview:
After working until late at night, the protagonist had a little break in a break room. Then his superior, Reika appears.
He secretly had a feeling for her, so he couldn't help admiring her beauty. Then, she came in front of him and said,

"Hey, let's... do it."

While the protagonist was at a loss, Reika started teasing him.
A long night of her sexual assault has begun...