Today is the payday of Dream Flower Service where Shiratori Sakuto is working. President Takebe's policy every month is to hand the salary of Yanagawa, Hiyama and every employee as cash. As Sakuto receives his salary with a smile, Hiyama inquires, "What will you buy?", Sakuto answers, "I will become smart* and take my license." At that time, Yanagawa's mom, Kyoko visits Dream Flower Service. After Kyoko greets President Takebe, Yanagawa hands over to her the salary he has just received. As Sakuto and Hiyama has seen the exchange, Yanagawa couldn't hide his embarrassment over the situation. On the other hand, in the research on making improvements in intellectual advancement, Hachisuka and his research team who had successful results on the experiment using the mouse Algernon, now wants to step up by doing the clinical study to a human body but haven't found a test subject yet. However, one day, as Haruka wants to help Hachisuka advance in his research, she reports about Sakuto to him. Thus visits Dream Flower Service and lowers her head to Takebe seeking his cooperation for Sakuto to be a test subject. That day too, being contacted by Rio and Mai, Sakuto, Yanagawa and Hiyama are unexpectedly on a date at the amusement park..