Amidst an economic downturn, Ai Komori struggles to find employment until she encounters a strange opportunity and takes a job involving research on ED. Days pass quietly as she waits in a secluded room, but one after another, various young men arrive. Each of them begins touching their crotches, growing increasingly aroused until their erections pulse vigorously. Some even reach out toward Ai, who, though bewildered, follows along with the flow of work. Yet as time goes on, Ai gradually becomes aware of her own feelings, and eventually... "I thought this would be a simple job... just how long will this situation continue?"