Eunho finds himself at risk of receiving an academic warning because of the relentless pranks played by his childhood friend, Seoyoung. With the possibility of losing his allowance and tuition looming over him, Eunho takes the initiative to create a (fake) couple YouTube channel with Seoyoung in order to make some money. Their initial video concept: 'What happens when you spend a night with your female friend'! They end up falling asleep next to each other, both claiming that nothing will occur... but... "Since it's come to this, should we…?"