"If you really want to be my girlfriend, finish me off in 10 minutes." Tamaki Suto worked her butt off to get hired at the major advertising firm where the art director she idolizes, Haruto Okudera, works. She wishes to be his apprentice, but if that's not possible, she'll do anything she can to get closer to him! But, being his girlfriend!? Can she keep her promise to satisfy him, even with his busy schedule? She does not know, but she won't back down without a fight! Stay tuned for this office romance with a time limit!