Three Is More Than Two

Yeong-won, who once again failed to secure a full professorship, gets drunk in a fit of rage and ends up sleeping with Ui-hyeon, her closest friend. Yeong-won soon discovers that she can only escape the pressure of her professorship when having sex. She then spends a passionate night with her colleague, Louis, who suggests that Yeong-won use Ui-hyeon for a... (Source: Lezhin, translated)