Fuck colleagues unpleasant but "delicious"

Yuta and Yotsuba are two colleagues with opposite personalities, just nearby to quarrel like dogs and cats. One day, because he had to welcome customers, Yotsuba missed the last train. Yuta's house was nearby so he offered Yotsuba to go home overnight. There was no other way, so Yotsuba had to agree.

When the two were drinking alcohol, the story content from work was sexually transferred. The two of them continued to fight, Yuta said Yotsuba was a virgin, and Yotsuba said Yuta was a baby. Seeing that she kept talking like that, Yuta immediately suggested that both of them fuck each other to prove their words ...