Nozomi Hamada suddenly launches a standing-doggy challenge with one simple rule: make him cum within five minutes of penetration. She pants and works her hips as hard as she can, but starting without any foreplay proves too difficult, so she gives up midway and restarts with kissing. She builds the mood by licking nipples, giving a handjob and blowjob, then receives oral before trying the challenge again. Can this irresistibly cheerful beauty pull off the win?