One morning, when Kohei Kiyomiya went out to take out the trash, he bumped into his neighbor, Michiko Koyama. Since she was on trash duty this week, they exchanged greetings to confirm when she suddenly asked, "Would you like to come over for tea later?" Taken aback, he left, but his mind was filled with thoughts. "What was she thinking...? I didn't think she was joking..." Meanwhile, back at home, Michiko was tidying up...