Yoshida is a young man working part-time at a convenience store. As he is about to leave after finishing his shift, Taniguchi, a girl who works with him, calls out to him, saying, "I have a favor to ask of you, Yoshida." Her request is, "I want you to invite a customer who often comes to the store to buy condoms to a group date." Yoshida does as he is told, but the customer becomes suspicious of the sudden turn of events and leaves. Meanwhile, Yoshida continues to live with his ex-girlfriend, leading a messy life. The two begin talking about each other in Yoshida's room, but they can't understand each other at all. Before they know it, they end up in bed...
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